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Finding the Fourth Proportional to 69,193.50, 95,474.36 and 38,972.36

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Solution

The fourth proportional to 69,193.50, 95,474.36 and 38,972.36 is: 53,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,193.50 : 95,474.36 = 38,972.36 : x
  2. Step 2: Convert to fraction form
    69,193.50/95,474.36 = 38,972.36/x
  3. Step 3: Cross multiply
    69,193.50x = 95,474.36 × 38,972.36
  4. Step 4: Simplify right side
    69,193.50x = 3,720,861,128.69
  5. Step 5: Solve for x
    x = 3,720,861,128.69/69,193.50
  6. Step 6: Final answer
    x = 53,774.72

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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.