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Finding the Fourth Proportional to 69,337.56, 95,678.64 and 39,124.56

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Solution

The fourth proportional to 69,337.56, 95,678.64 and 39,124.56 is: 53,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,337.56 : 95,678.64 = 39,124.56 : x
  2. Step 2: Convert to fraction form
    69,337.56/95,678.64 = 39,124.56/x
  3. Step 3: Cross multiply
    69,337.56x = 95,678.64 × 39,124.56
  4. Step 4: Simplify right side
    69,337.56x = 3,743,384,691.40
  5. Step 5: Solve for x
    x = 3,743,384,691.40/69,337.56
  6. Step 6: Final answer
    x = 53,987.83

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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.