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Finding the Fourth Proportional to 69,744.48, 96,247.70 and 37,913.30

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Solution

The fourth proportional to 69,744.48, 96,247.70 and 37,913.30 is: 52,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,744.48 : 96,247.70 = 37,913.30 : x
  2. Step 2: Convert to fraction form
    69,744.48/96,247.70 = 37,913.30/x
  3. Step 3: Cross multiply
    69,744.48x = 96,247.70 × 37,913.30
  4. Step 4: Simplify right side
    69,744.48x = 3,649,067,253.61
  5. Step 5: Solve for x
    x = 3,649,067,253.61/69,744.48
  6. Step 6: Final answer
    x = 52,320.52

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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.