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Finding the Fourth Proportional to 41,791.16, 62,642.70 and 13,703.89

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Solution

The fourth proportional to 41,791.16, 62,642.70 and 13,703.89 is: 20,541.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,791.16 : 62,642.70 = 13,703.89 : x
  2. Step 2: Convert to fraction form
    41,791.16/62,642.70 = 13,703.89/x
  3. Step 3: Cross multiply
    41,791.16x = 62,642.70 × 13,703.89
  4. Step 4: Simplify right side
    41,791.16x = 858,448,356.89
  5. Step 5: Solve for x
    x = 858,448,356.89/41,791.16
  6. Step 6: Final answer
    x = 20,541.39

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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.