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Finding the Fourth Proportional to 71,304.93, 98,400.42 and 39,473.73

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Solution

The fourth proportional to 71,304.93, 98,400.42 and 39,473.73 is: 54,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,304.93 : 98,400.42 = 39,473.73 : x
  2. Step 2: Convert to fraction form
    71,304.93/98,400.42 = 39,473.73/x
  3. Step 3: Cross multiply
    71,304.93x = 98,400.42 × 39,473.73
  4. Step 4: Simplify right side
    71,304.93x = 3,884,231,610.97
  5. Step 5: Solve for x
    x = 3,884,231,610.97/71,304.93
  6. Step 6: Final answer
    x = 54,473.54

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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.