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Finding the Fourth Proportional to 71,293.52, 98,374.76 and 39,462.34

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Solution

The fourth proportional to 71,293.52, 98,374.76 and 39,462.34 is: 54,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,293.52 : 98,374.76 = 39,462.34 : x
  2. Step 2: Convert to fraction form
    71,293.52/98,374.76 = 39,462.34/x
  3. Step 3: Cross multiply
    71,293.52x = 98,374.76 × 39,462.34
  4. Step 4: Simplify right side
    71,293.52x = 3,882,098,226.54
  5. Step 5: Solve for x
    x = 3,882,098,226.54/71,293.52
  6. Step 6: Final answer
    x = 54,452.33

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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.