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Finding the Fourth Proportional to 62,394.89, 86,103.68 and 34,100.78

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Solution

The fourth proportional to 62,394.89, 86,103.68 and 34,100.78 is: 47,058.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,394.89 : 86,103.68 = 34,100.78 : x
  2. Step 2: Convert to fraction form
    62,394.89/86,103.68 = 34,100.78/x
  3. Step 3: Cross multiply
    62,394.89x = 86,103.68 × 34,100.78
  4. Step 4: Simplify right side
    62,394.89x = 2,936,202,047.85
  5. Step 5: Solve for x
    x = 2,936,202,047.85/62,394.89
  6. Step 6: Final answer
    x = 47,058.38

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1.5x scale

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.