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Finding the Fourth Proportional to 69,468.70, 95,865.49 and 38,841.66

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Solution

The fourth proportional to 69,468.70, 95,865.49 and 38,841.66 is: 53,600.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,468.70 : 95,865.49 = 38,841.66 : x
  2. Step 2: Convert to fraction form
    69,468.70/95,865.49 = 38,841.66/x
  3. Step 3: Cross multiply
    69,468.70x = 95,865.49 × 38,841.66
  4. Step 4: Simplify right side
    69,468.70x = 3,723,574,768.31
  5. Step 5: Solve for x
    x = 3,723,574,768.31/69,468.70
  6. Step 6: Final answer
    x = 53,600.75

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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.