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Finding the Fourth Proportional to 67,382.60, 100,962.66 and 41,007.56

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Solution

The fourth proportional to 67,382.60, 100,962.66 and 41,007.56 is: 61,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,382.60 : 100,962.66 = 41,007.56 : x
  2. Step 2: Convert to fraction form
    67,382.60/100,962.66 = 41,007.56/x
  3. Step 3: Cross multiply
    67,382.60x = 100,962.66 × 41,007.56
  4. Step 4: Simplify right side
    67,382.60x = 4,140,232,337.71
  5. Step 5: Solve for x
    x = 4,140,232,337.71/67,382.60
  6. Step 6: Final answer
    x = 61,443.64

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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.