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Finding the Fourth Proportional to 62,391.66, 86,106.42 and 34,101.60

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Solution

The fourth proportional to 62,391.66, 86,106.42 and 34,101.60 is: 47,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,391.66 : 86,106.42 = 34,101.60 : x
  2. Step 2: Convert to fraction form
    62,391.66/86,106.42 = 34,101.60/x
  3. Step 3: Cross multiply
    62,391.66x = 86,106.42 × 34,101.60
  4. Step 4: Simplify right side
    62,391.66x = 2,936,366,692.27
  5. Step 5: Solve for x
    x = 2,936,366,692.27/62,391.66
  6. Step 6: Final answer
    x = 47,063.45

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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.