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Finding the Fourth Proportional to 20,593.57, 30,866.46 and 9,476.92

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Solution

The fourth proportional to 20,593.57, 30,866.46 and 9,476.92 is: 14,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.57 : 30,866.46 = 9,476.92 : x
  2. Step 2: Convert to fraction form
    20,593.57/30,866.46 = 9,476.92/x
  3. Step 3: Cross multiply
    20,593.57x = 30,866.46 × 9,476.92
  4. Step 4: Simplify right side
    20,593.57x = 292,518,972.10
  5. Step 5: Solve for x
    x = 292,518,972.10/20,593.57
  6. Step 6: Final answer
    x = 14,204.38

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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.