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Finding the Fourth Proportional to 71,503.76, 107,255.75 and 29,354.47

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Solution

The fourth proportional to 71,503.76, 107,255.75 and 29,354.47 is: 44,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,503.76 : 107,255.75 = 29,354.47 : x
  2. Step 2: Convert to fraction form
    71,503.76/107,255.75 = 29,354.47/x
  3. Step 3: Cross multiply
    71,503.76x = 107,255.75 × 29,354.47
  4. Step 4: Simplify right side
    71,503.76x = 3,148,435,280.79
  5. Step 5: Solve for x
    x = 3,148,435,280.79/71,503.76
  6. Step 6: Final answer
    x = 44,031.74

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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.