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Finding the Fourth Proportional to 69,717.74, 96,207.90 and 37,885.94

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Solution

The fourth proportional to 69,717.74, 96,207.90 and 37,885.94 is: 52,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,717.74 : 96,207.90 = 37,885.94 : x
  2. Step 2: Convert to fraction form
    69,717.74/96,207.90 = 37,885.94/x
  3. Step 3: Cross multiply
    69,717.74x = 96,207.90 × 37,885.94
  4. Step 4: Simplify right side
    69,717.74x = 3,644,926,726.93
  5. Step 5: Solve for x
    x = 3,644,926,726.93/69,717.74
  6. Step 6: Final answer
    x = 52,281.19

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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.