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Finding the Fourth Proportional to 61,794.56, 92,691.66 and 15,047.48

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Solution

The fourth proportional to 61,794.56, 92,691.66 and 15,047.48 is: 22,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,794.56 : 92,691.66 = 15,047.48 : x
  2. Step 2: Convert to fraction form
    61,794.56/92,691.66 = 15,047.48/x
  3. Step 3: Cross multiply
    61,794.56x = 92,691.66 × 15,047.48
  4. Step 4: Simplify right side
    61,794.56x = 1,394,775,900.02
  5. Step 5: Solve for x
    x = 1,394,775,900.02/61,794.56
  6. Step 6: Final answer
    x = 22,571.18

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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.