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Finding the Fourth Proportional to 69,838.67, 96,375.52 and 38,006.89

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Solution

The fourth proportional to 69,838.67, 96,375.52 and 38,006.89 is: 52,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,838.67 : 96,375.52 = 38,006.89 : x
  2. Step 2: Convert to fraction form
    69,838.67/96,375.52 = 38,006.89/x
  3. Step 3: Cross multiply
    69,838.67x = 96,375.52 × 38,006.89
  4. Step 4: Simplify right side
    69,838.67x = 3,662,933,593.90
  5. Step 5: Solve for x
    x = 3,662,933,593.90/69,838.67
  6. Step 6: Final answer
    x = 52,448.50

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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.