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Finding the Fourth Proportional to 69,778.73, 96,290.70 and 37,947.62

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Solution

The fourth proportional to 69,778.73, 96,290.70 and 37,947.62 is: 52,365.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,778.73 : 96,290.70 = 37,947.62 : x
  2. Step 2: Convert to fraction form
    69,778.73/96,290.70 = 37,947.62/x
  3. Step 3: Cross multiply
    69,778.73x = 96,290.70 × 37,947.62
  4. Step 4: Simplify right side
    69,778.73x = 3,654,002,893.13
  5. Step 5: Solve for x
    x = 3,654,002,893.13/69,778.73
  6. Step 6: Final answer
    x = 52,365.57

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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.