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Finding the Fourth Proportional to 10,393.43, 15,590.10 and 2,602.22

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Solution

The fourth proportional to 10,393.43, 15,590.10 and 2,602.22 is: 3,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.43 : 15,590.10 = 2,602.22 : x
  2. Step 2: Convert to fraction form
    10,393.43/15,590.10 = 2,602.22/x
  3. Step 3: Cross multiply
    10,393.43x = 15,590.10 × 2,602.22
  4. Step 4: Simplify right side
    10,393.43x = 40,568,870.02
  5. Step 5: Solve for x
    x = 40,568,870.02/10,393.43
  6. Step 6: Final answer
    x = 3,903.32

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.