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Finding the Fourth Proportional to 62,755.88, 86,603.22 and 34,463.36

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Solution

The fourth proportional to 62,755.88, 86,603.22 and 34,463.36 is: 47,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,755.88 : 86,603.22 = 34,463.36 : x
  2. Step 2: Convert to fraction form
    62,755.88/86,603.22 = 34,463.36/x
  3. Step 3: Cross multiply
    62,755.88x = 86,603.22 × 34,463.36
  4. Step 4: Simplify right side
    62,755.88x = 2,984,637,948.02
  5. Step 5: Solve for x
    x = 2,984,637,948.02/62,755.88
  6. Step 6: Final answer
    x = 47,559.49

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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.