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Finding the Fourth Proportional to 69,506.40, 95,918.96 and 37,675.20

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Solution

The fourth proportional to 69,506.40, 95,918.96 and 37,675.20 is: 51,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,506.40 : 95,918.96 = 37,675.20 : x
  2. Step 2: Convert to fraction form
    69,506.40/95,918.96 = 37,675.20/x
  3. Step 3: Cross multiply
    69,506.40x = 95,918.96 × 37,675.20
  4. Step 4: Simplify right side
    69,506.40x = 3,613,766,001.79
  5. Step 5: Solve for x
    x = 3,613,766,001.79/69,506.40
  6. Step 6: Final answer
    x = 51,991.85

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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.