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Finding the Fourth Proportional to 67,008.60, 100,476.45 and 27,569.70

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Solution

The fourth proportional to 67,008.60, 100,476.45 and 27,569.70 is: 41,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,008.60 : 100,476.45 = 27,569.70 : x
  2. Step 2: Convert to fraction form
    67,008.60/100,476.45 = 27,569.70/x
  3. Step 3: Cross multiply
    67,008.60x = 100,476.45 × 27,569.70
  4. Step 4: Simplify right side
    67,008.60x = 2,770,105,583.57
  5. Step 5: Solve for x
    x = 2,770,105,583.57/67,008.60
  6. Step 6: Final answer
    x = 41,339.55

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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.