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Finding the Fourth Proportional to 71,062.49, 98,073.46 and 40,849.09

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Solution

The fourth proportional to 71,062.49, 98,073.46 and 40,849.09 is: 56,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,062.49 : 98,073.46 = 40,849.09 : x
  2. Step 2: Convert to fraction form
    71,062.49/98,073.46 = 40,849.09/x
  3. Step 3: Cross multiply
    71,062.49x = 98,073.46 × 40,849.09
  4. Step 4: Simplify right side
    71,062.49x = 4,006,211,594.15
  5. Step 5: Solve for x
    x = 4,006,211,594.15/71,062.49
  6. Step 6: Final answer
    x = 56,375.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.