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Finding the Fourth Proportional to 69,655.74, 96,115.59 and 44,487.42

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Solution

The fourth proportional to 69,655.74, 96,115.59 and 44,487.42 is: 61,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,655.74 : 96,115.59 = 44,487.42 : x
  2. Step 2: Convert to fraction form
    69,655.74/96,115.59 = 44,487.42/x
  3. Step 3: Cross multiply
    69,655.74x = 96,115.59 × 44,487.42
  4. Step 4: Simplify right side
    69,655.74x = 4,275,934,620.88
  5. Step 5: Solve for x
    x = 4,275,934,620.88/69,655.74
  6. Step 6: Final answer
    x = 61,386.68

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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.