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Finding the Fourth Proportional to 29,669.28, 44,503.92 and 8,892.78

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Solution

The fourth proportional to 29,669.28, 44,503.92 and 8,892.78 is: 13,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,669.28 : 44,503.92 = 8,892.78 : x
  2. Step 2: Convert to fraction form
    29,669.28/44,503.92 = 8,892.78/x
  3. Step 3: Cross multiply
    29,669.28x = 44,503.92 × 8,892.78
  4. Step 4: Simplify right side
    29,669.28x = 395,763,569.70
  5. Step 5: Solve for x
    x = 395,763,569.70/29,669.28
  6. Step 6: Final answer
    x = 13,339.17

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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.