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Finding the Fourth Proportional to 10,593.43, 15,892.85 and 7,479.51

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Solution

The fourth proportional to 10,593.43, 15,892.85 and 7,479.51 is: 11,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,593.43 : 15,892.85 = 7,479.51 : x
  2. Step 2: Convert to fraction form
    10,593.43/15,892.85 = 7,479.51/x
  3. Step 3: Cross multiply
    10,593.43x = 15,892.85 × 7,479.51
  4. Step 4: Simplify right side
    10,593.43x = 118,870,613.64
  5. Step 5: Solve for x
    x = 118,870,613.64/10,593.43
  6. Step 6: Final answer
    x = 11,221.16

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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.