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Finding the Fourth Proportional to 69,013.88, 95,239.54 and 38,798.92

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Solution

The fourth proportional to 69,013.88, 95,239.54 and 38,798.92 is: 53,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,013.88 : 95,239.54 = 38,798.92 : x
  2. Step 2: Convert to fraction form
    69,013.88/95,239.54 = 38,798.92/x
  3. Step 3: Cross multiply
    69,013.88x = 95,239.54 × 38,798.92
  4. Step 4: Simplify right side
    69,013.88x = 3,695,191,293.30
  5. Step 5: Solve for x
    x = 3,695,191,293.30/69,013.88
  6. Step 6: Final answer
    x = 53,542.73

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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.