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Finding the Fourth Proportional to 68,494.76, 94,551.86 and 41,645.84

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Solution

The fourth proportional to 68,494.76, 94,551.86 and 41,645.84 is: 57,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,494.76 : 94,551.86 = 41,645.84 : x
  2. Step 2: Convert to fraction form
    68,494.76/94,551.86 = 41,645.84/x
  3. Step 3: Cross multiply
    68,494.76x = 94,551.86 × 41,645.84
  4. Step 4: Simplify right side
    68,494.76x = 3,937,690,952.27
  5. Step 5: Solve for x
    x = 3,937,690,952.27/68,494.76
  6. Step 6: Final answer
    x = 57,488.94

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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.