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Finding the Fourth Proportional to 62,668.76, 94,041.42 and 27,139.58

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Solution

The fourth proportional to 62,668.76, 94,041.42 and 27,139.58 is: 40,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,668.76 : 94,041.42 = 27,139.58 : x
  2. Step 2: Convert to fraction form
    62,668.76/94,041.42 = 27,139.58/x
  3. Step 3: Cross multiply
    62,668.76x = 94,041.42 × 27,139.58
  4. Step 4: Simplify right side
    62,668.76x = 2,552,244,641.40
  5. Step 5: Solve for x
    x = 2,552,244,641.40/62,668.76
  6. Step 6: Final answer
    x = 40,725.95

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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.