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Finding the Fourth Proportional to 29,900.43, 41,262.86 and 16,471.71

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Solution

The fourth proportional to 29,900.43, 41,262.86 and 16,471.71 is: 22,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,900.43 : 41,262.86 = 16,471.71 : x
  2. Step 2: Convert to fraction form
    29,900.43/41,262.86 = 16,471.71/x
  3. Step 3: Cross multiply
    29,900.43x = 41,262.86 × 16,471.71
  4. Step 4: Simplify right side
    29,900.43x = 679,669,781.33
  5. Step 5: Solve for x
    x = 679,669,781.33/29,900.43
  6. Step 6: Final answer
    x = 22,731.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.