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Finding the Fourth Proportional to 41,672.16, 62,495.28 and 13,963.68

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Solution

The fourth proportional to 41,672.16, 62,495.28 and 13,963.68 is: 20,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,672.16 : 62,495.28 = 13,963.68 : x
  2. Step 2: Convert to fraction form
    41,672.16/62,495.28 = 13,963.68/x
  3. Step 3: Cross multiply
    41,672.16x = 62,495.28 × 13,963.68
  4. Step 4: Simplify right side
    41,672.16x = 872,664,091.43
  5. Step 5: Solve for x
    x = 872,664,091.43/41,672.16
  6. Step 6: Final answer
    x = 20,941.18

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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.