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Finding the Fourth Proportional to 62,085.76, 85,668.82 and 34,863.25

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Solution

The fourth proportional to 62,085.76, 85,668.82 and 34,863.25 is: 48,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,085.76 : 85,668.82 = 34,863.25 : x
  2. Step 2: Convert to fraction form
    62,085.76/85,668.82 = 34,863.25/x
  3. Step 3: Cross multiply
    62,085.76x = 85,668.82 × 34,863.25
  4. Step 4: Simplify right side
    62,085.76x = 2,986,693,488.87
  5. Step 5: Solve for x
    x = 2,986,693,488.87/62,085.76
  6. Step 6: Final answer
    x = 48,105.93

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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.