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Finding the Fourth Proportional to 61,257.62, 91,862.64 and 23,812.74

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Solution

The fourth proportional to 61,257.62, 91,862.64 and 23,812.74 is: 35,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,257.62 : 91,862.64 = 23,812.74 : x
  2. Step 2: Convert to fraction form
    61,257.62/91,862.64 = 23,812.74/x
  3. Step 3: Cross multiply
    61,257.62x = 91,862.64 × 23,812.74
  4. Step 4: Simplify right side
    61,257.62x = 2,187,501,162.03
  5. Step 5: Solve for x
    x = 2,187,501,162.03/61,257.62
  6. Step 6: Final answer
    x = 35,709.86

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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.