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Finding the Fourth Proportional to 61,517.88, 84,898.53 and 34,657.47

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Solution

The fourth proportional to 61,517.88, 84,898.53 and 34,657.47 is: 47,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,517.88 : 84,898.53 = 34,657.47 : x
  2. Step 2: Convert to fraction form
    61,517.88/84,898.53 = 34,657.47/x
  3. Step 3: Cross multiply
    61,517.88x = 84,898.53 × 34,657.47
  4. Step 4: Simplify right side
    61,517.88x = 2,942,368,256.52
  5. Step 5: Solve for x
    x = 2,942,368,256.52/61,517.88
  6. Step 6: Final answer
    x = 47,829.48

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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.