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Finding the Fourth Proportional to 71,125.76, 106,676.48 and 29,561.60

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Solution

The fourth proportional to 71,125.76, 106,676.48 and 29,561.60 is: 44,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,125.76 : 106,676.48 = 29,561.60 : x
  2. Step 2: Convert to fraction form
    71,125.76/106,676.48 = 29,561.60/x
  3. Step 3: Cross multiply
    71,125.76x = 106,676.48 × 29,561.60
  4. Step 4: Simplify right side
    71,125.76x = 3,153,527,431.17
  5. Step 5: Solve for x
    x = 3,153,527,431.17/71,125.76
  6. Step 6: Final answer
    x = 44,337.35

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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.