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Finding the Fourth Proportional to 61,227.29, 91,864.02 and 41,690.09

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Solution

The fourth proportional to 61,227.29, 91,864.02 and 41,690.09 is: 62,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,227.29 : 91,864.02 = 41,690.09 : x
  2. Step 2: Convert to fraction form
    61,227.29/91,864.02 = 41,690.09/x
  3. Step 3: Cross multiply
    61,227.29x = 91,864.02 × 41,690.09
  4. Step 4: Simplify right side
    61,227.29x = 3,829,819,261.56
  5. Step 5: Solve for x
    x = 3,829,819,261.56/61,227.29
  6. Step 6: Final answer
    x = 62,550.85

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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.