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Finding the Fourth Proportional to 41,240.60, 61,854.04 and 11,651.68

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Solution

The fourth proportional to 41,240.60, 61,854.04 and 11,651.68 is: 17,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,240.60 : 61,854.04 = 11,651.68 : x
  2. Step 2: Convert to fraction form
    41,240.60/61,854.04 = 11,651.68/x
  3. Step 3: Cross multiply
    41,240.60x = 61,854.04 × 11,651.68
  4. Step 4: Simplify right side
    41,240.60x = 720,703,480.79
  5. Step 5: Solve for x
    x = 720,703,480.79/41,240.60
  6. Step 6: Final answer
    x = 17,475.58

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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.