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Finding the Fourth Proportional to 61,586.93, 84,989.62 and 34,729.66

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Solution

The fourth proportional to 61,586.93, 84,989.62 and 34,729.66 is: 47,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,586.93 : 84,989.62 = 34,729.66 : x
  2. Step 2: Convert to fraction form
    61,586.93/84,989.62 = 34,729.66/x
  3. Step 3: Cross multiply
    61,586.93x = 84,989.62 × 34,729.66
  4. Step 4: Simplify right side
    61,586.93x = 2,951,660,755.78
  5. Step 5: Solve for x
    x = 2,951,660,755.78/61,586.93
  6. Step 6: Final answer
    x = 47,926.74

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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.