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Finding the Fourth Proportional to 69,193.42, 95,474.22 and 38,972.28

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Solution

The fourth proportional to 69,193.42, 95,474.22 and 38,972.28 is: 53,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,193.42 : 95,474.22 = 38,972.28 : x
  2. Step 2: Convert to fraction form
    69,193.42/95,474.22 = 38,972.28/x
  3. Step 3: Cross multiply
    69,193.42x = 95,474.22 × 38,972.28
  4. Step 4: Simplify right side
    69,193.42x = 3,720,848,034.62
  5. Step 5: Solve for x
    x = 3,720,848,034.62/69,193.42
  6. Step 6: Final answer
    x = 53,774.59

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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.