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Finding the Fourth Proportional to 69,041.46, 95,218.20 and 47,565.48

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Solution

The fourth proportional to 69,041.46, 95,218.20 and 47,565.48 is: 65,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,041.46 : 95,218.20 = 47,565.48 : x
  2. Step 2: Convert to fraction form
    69,041.46/95,218.20 = 47,565.48/x
  3. Step 3: Cross multiply
    69,041.46x = 95,218.20 × 47,565.48
  4. Step 4: Simplify right side
    69,041.46x = 4,529,099,387.74
  5. Step 5: Solve for x
    x = 4,529,099,387.74/69,041.46
  6. Step 6: Final answer
    x = 65,599.70

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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.