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Finding the Fourth Proportional to 62,599.50, 86,387.31 and 34,305.84

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Solution

The fourth proportional to 62,599.50, 86,387.31 and 34,305.84 is: 47,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,599.50 : 86,387.31 = 34,305.84 : x
  2. Step 2: Convert to fraction form
    62,599.50/86,387.31 = 34,305.84/x
  3. Step 3: Cross multiply
    62,599.50x = 86,387.31 × 34,305.84
  4. Step 4: Simplify right side
    62,599.50x = 2,963,589,234.89
  5. Step 5: Solve for x
    x = 2,963,589,234.89/62,599.50
  6. Step 6: Final answer
    x = 47,342.06

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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.