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Finding the Fourth Proportional to 29,672.78, 44,512.63 and 10,432.62

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Solution

The fourth proportional to 29,672.78, 44,512.63 and 10,432.62 is: 15,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,672.78 : 44,512.63 = 10,432.62 : x
  2. Step 2: Convert to fraction form
    29,672.78/44,512.63 = 10,432.62/x
  3. Step 3: Cross multiply
    29,672.78x = 44,512.63 × 10,432.62
  4. Step 4: Simplify right side
    29,672.78x = 464,383,327.91
  5. Step 5: Solve for x
    x = 464,383,327.91/29,672.78
  6. Step 6: Final answer
    x = 15,650.15

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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.