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Finding the Fourth Proportional to 62,885, 86,781.88 and 34,204.94

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Solution

The fourth proportional to 62,885, 86,781.88 and 34,204.94 is: 47,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,885 : 86,781.88 = 34,204.94 : x
  2. Step 2: Convert to fraction form
    62,885/86,781.88 = 34,204.94/x
  3. Step 3: Cross multiply
    62,885x = 86,781.88 × 34,204.94
  4. Step 4: Simplify right side
    62,885x = 2,968,368,998.49
  5. Step 5: Solve for x
    x = 2,968,368,998.49/62,885
  6. Step 6: Final answer
    x = 47,203.13

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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.