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Finding the Fourth Proportional to 29,472.31, 40,673.60 and 16,901.11

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Solution

The fourth proportional to 29,472.31, 40,673.60 and 16,901.11 is: 23,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,472.31 : 40,673.60 = 16,901.11 : x
  2. Step 2: Convert to fraction form
    29,472.31/40,673.60 = 16,901.11/x
  3. Step 3: Cross multiply
    29,472.31x = 40,673.60 × 16,901.11
  4. Step 4: Simplify right side
    29,472.31x = 687,428,864.89
  5. Step 5: Solve for x
    x = 687,428,864.89/29,472.31
  6. Step 6: Final answer
    x = 23,324.57

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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.