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Finding the Fourth Proportional to 26,245,187.40, 36,658,231.80 and 26,245,187.40

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Solution

The fourth proportional to 26,245,187.40, 36,658,231.80 and 26,245,187.40 is: 36,658,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,245,187.40 : 36,658,231.80 = 26,245,187.40 : x
  2. Step 2: Convert to fraction form
    26,245,187.40/36,658,231.80 = 26,245,187.40/x
  3. Step 3: Cross multiply
    26,245,187.40x = 36,658,231.80 × 26,245,187.40
  4. Step 4: Simplify right side
    26,245,187.40x = 962,102,163,343,639.12
  5. Step 5: Solve for x
    x = 962,102,163,343,639.12/26,245,187.40
  6. Step 6: Final answer
    x = 36,658,231.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.