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Finding the Fourth Proportional to 69,187.50, 95,473.08 and 38,963.16

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Solution

The fourth proportional to 69,187.50, 95,473.08 and 38,963.16 is: 53,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,187.50 : 95,473.08 = 38,963.16 : x
  2. Step 2: Convert to fraction form
    69,187.50/95,473.08 = 38,963.16/x
  3. Step 3: Cross multiply
    69,187.50x = 95,473.08 × 38,963.16
  4. Step 4: Simplify right side
    69,187.50x = 3,719,932,891.73
  5. Step 5: Solve for x
    x = 3,719,932,891.73/69,187.50
  6. Step 6: Final answer
    x = 53,765.97

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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.