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Finding the Fourth Proportional to 62,857.33, 86,742.82 and 34,562.95

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Solution

The fourth proportional to 62,857.33, 86,742.82 and 34,562.95 is: 47,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,857.33 : 86,742.82 = 34,562.95 : x
  2. Step 2: Convert to fraction form
    62,857.33/86,742.82 = 34,562.95/x
  3. Step 3: Cross multiply
    62,857.33x = 86,742.82 × 34,562.95
  4. Step 4: Simplify right side
    62,857.33x = 2,998,087,750.52
  5. Step 5: Solve for x
    x = 2,998,087,750.52/62,857.33
  6. Step 6: Final answer
    x = 47,696.71

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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.