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Finding the Fourth Proportional to 29,675.38, 44,517.45 and 8,612.68

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Solution

The fourth proportional to 29,675.38, 44,517.45 and 8,612.68 is: 12,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,675.38 : 44,517.45 = 8,612.68 : x
  2. Step 2: Convert to fraction form
    29,675.38/44,517.45 = 8,612.68/x
  3. Step 3: Cross multiply
    29,675.38x = 44,517.45 × 8,612.68
  4. Step 4: Simplify right side
    29,675.38x = 383,414,551.27
  5. Step 5: Solve for x
    x = 383,414,551.27/29,675.38
  6. Step 6: Final answer
    x = 12,920.29

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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.