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Finding the Fourth Proportional to 67,469.70, 93,095.52 and 38,799.36

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Solution

The fourth proportional to 67,469.70, 93,095.52 and 38,799.36 is: 53,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,469.70 : 93,095.52 = 38,799.36 : x
  2. Step 2: Convert to fraction form
    67,469.70/93,095.52 = 38,799.36/x
  3. Step 3: Cross multiply
    67,469.70x = 93,095.52 × 38,799.36
  4. Step 4: Simplify right side
    67,469.70x = 3,612,046,594.87
  5. Step 5: Solve for x
    x = 3,612,046,594.87/67,469.70
  6. Step 6: Final answer
    x = 53,535.83

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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.