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Finding the Fourth Proportional to 62,984.89, 86,937.03 and 41,490.33

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Solution

The fourth proportional to 62,984.89, 86,937.03 and 41,490.33 is: 57,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,984.89 : 86,937.03 = 41,490.33 : x
  2. Step 2: Convert to fraction form
    62,984.89/86,937.03 = 41,490.33/x
  3. Step 3: Cross multiply
    62,984.89x = 86,937.03 × 41,490.33
  4. Step 4: Simplify right side
    62,984.89x = 3,607,045,737.91
  5. Step 5: Solve for x
    x = 3,607,045,737.91/62,984.89
  6. Step 6: Final answer
    x = 57,268.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.