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Finding the Fourth Proportional to 69,171.54, 95,455.71 and 38,956.92

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Solution

The fourth proportional to 69,171.54, 95,455.71 and 38,956.92 is: 53,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,171.54 : 95,455.71 = 38,956.92 : x
  2. Step 2: Convert to fraction form
    69,171.54/95,455.71 = 38,956.92/x
  3. Step 3: Cross multiply
    69,171.54x = 95,455.71 × 38,956.92
  4. Step 4: Simplify right side
    69,171.54x = 3,718,660,458.01
  5. Step 5: Solve for x
    x = 3,718,660,458.01/69,171.54
  6. Step 6: Final answer
    x = 53,759.98

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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.