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Finding the Fourth Proportional to 62,863.12, 86,751.72 and 34,569

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Solution

The fourth proportional to 62,863.12, 86,751.72 and 34,569 is: 47,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,863.12 : 86,751.72 = 34,569 : x
  2. Step 2: Convert to fraction form
    62,863.12/86,751.72 = 34,569/x
  3. Step 3: Cross multiply
    62,863.12x = 86,751.72 × 34,569
  4. Step 4: Simplify right side
    62,863.12x = 2,998,920,208.68
  5. Step 5: Solve for x
    x = 2,998,920,208.68/62,863.12
  6. Step 6: Final answer
    x = 47,705.56

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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.