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Finding the Fourth Proportional to 55,087.66, 82,620.51 and 26,995.60

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Solution

The fourth proportional to 55,087.66, 82,620.51 and 26,995.60 is: 40,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,087.66 : 82,620.51 = 26,995.60 : x
  2. Step 2: Convert to fraction form
    55,087.66/82,620.51 = 26,995.60/x
  3. Step 3: Cross multiply
    55,087.66x = 82,620.51 × 26,995.60
  4. Step 4: Simplify right side
    55,087.66x = 2,230,390,239.76
  5. Step 5: Solve for x
    x = 2,230,390,239.76/55,087.66
  6. Step 6: Final answer
    x = 40,488.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.