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Finding the Fourth Proportional to 65,949.84, 98,930.85 and 18,565.65

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Solution

The fourth proportional to 65,949.84, 98,930.85 and 18,565.65 is: 27,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,949.84 : 98,930.85 = 18,565.65 : x
  2. Step 2: Convert to fraction form
    65,949.84/98,930.85 = 18,565.65/x
  3. Step 3: Cross multiply
    65,949.84x = 98,930.85 × 18,565.65
  4. Step 4: Simplify right side
    65,949.84x = 1,836,715,535.30
  5. Step 5: Solve for x
    x = 1,836,715,535.30/65,949.84
  6. Step 6: Final answer
    x = 27,850.19

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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.