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Finding the Fourth Proportional to 29,218.73, 40,323.02 and 16,472.38

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Solution

The fourth proportional to 29,218.73, 40,323.02 and 16,472.38 is: 22,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,218.73 : 40,323.02 = 16,472.38 : x
  2. Step 2: Convert to fraction form
    29,218.73/40,323.02 = 16,472.38/x
  3. Step 3: Cross multiply
    29,218.73x = 40,323.02 × 16,472.38
  4. Step 4: Simplify right side
    29,218.73x = 664,216,000.62
  5. Step 5: Solve for x
    x = 664,216,000.62/29,218.73
  6. Step 6: Final answer
    x = 22,732.55

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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.