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Finding the Fourth Proportional to 61,371.56, 84,691.95 and 34,514.06

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Solution

The fourth proportional to 61,371.56, 84,691.95 and 34,514.06 is: 47,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,371.56 : 84,691.95 = 34,514.06 : x
  2. Step 2: Convert to fraction form
    61,371.56/84,691.95 = 34,514.06/x
  3. Step 3: Cross multiply
    61,371.56x = 84,691.95 × 34,514.06
  4. Step 4: Simplify right side
    61,371.56x = 2,923,063,043.82
  5. Step 5: Solve for x
    x = 2,923,063,043.82/61,371.56
  6. Step 6: Final answer
    x = 47,628.95

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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.