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Finding the Fourth Proportional to 69,374.70, 95,711.31 and 45,514.62

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Solution

The fourth proportional to 69,374.70, 95,711.31 and 45,514.62 is: 62,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,374.70 : 95,711.31 = 45,514.62 : x
  2. Step 2: Convert to fraction form
    69,374.70/95,711.31 = 45,514.62/x
  3. Step 3: Cross multiply
    69,374.70x = 95,711.31 × 45,514.62
  4. Step 4: Simplify right side
    69,374.70x = 4,356,263,904.35
  5. Step 5: Solve for x
    x = 4,356,263,904.35/69,374.70
  6. Step 6: Final answer
    x = 62,793.26

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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.