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Finding the Fourth Proportional to 71,520.96, 107,266.74 and 29,359.92

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Solution

The fourth proportional to 71,520.96, 107,266.74 and 29,359.92 is: 44,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,520.96 : 107,266.74 = 29,359.92 : x
  2. Step 2: Convert to fraction form
    71,520.96/107,266.74 = 29,359.92/x
  3. Step 3: Cross multiply
    71,520.96x = 107,266.74 × 29,359.92
  4. Step 4: Simplify right side
    71,520.96x = 3,149,342,905.06
  5. Step 5: Solve for x
    x = 3,149,342,905.06/71,520.96
  6. Step 6: Final answer
    x = 44,033.85

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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.