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Finding the Fourth Proportional to 61,073.91, 91,502.12 and 37,369.87

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Solution

The fourth proportional to 61,073.91, 91,502.12 and 37,369.87 is: 55,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,073.91 : 91,502.12 = 37,369.87 : x
  2. Step 2: Convert to fraction form
    61,073.91/91,502.12 = 37,369.87/x
  3. Step 3: Cross multiply
    61,073.91x = 91,502.12 × 37,369.87
  4. Step 4: Simplify right side
    61,073.91x = 3,419,422,193.79
  5. Step 5: Solve for x
    x = 3,419,422,193.79/61,073.91
  6. Step 6: Final answer
    x = 55,988.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.