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Finding the Fourth Proportional to 29,432.43, 44,148.65 and 8,654.31

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Solution

The fourth proportional to 29,432.43, 44,148.65 and 8,654.31 is: 12,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,432.43 : 44,148.65 = 8,654.31 : x
  2. Step 2: Convert to fraction form
    29,432.43/44,148.65 = 8,654.31/x
  3. Step 3: Cross multiply
    29,432.43x = 44,148.65 × 8,654.31
  4. Step 4: Simplify right side
    29,432.43x = 382,076,059.91
  5. Step 5: Solve for x
    x = 382,076,059.91/29,432.43
  6. Step 6: Final answer
    x = 12,981.47

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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.