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Finding the Fourth Proportional to 29,394.92, 40,553.55 and 16,645.17

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Solution

The fourth proportional to 29,394.92, 40,553.55 and 16,645.17 is: 22,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,394.92 : 40,553.55 = 16,645.17 : x
  2. Step 2: Convert to fraction form
    29,394.92/40,553.55 = 16,645.17/x
  3. Step 3: Cross multiply
    29,394.92x = 40,553.55 × 16,645.17
  4. Step 4: Simplify right side
    29,394.92x = 675,020,733.85
  5. Step 5: Solve for x
    x = 675,020,733.85/29,394.92
  6. Step 6: Final answer
    x = 22,963.86

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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.