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Finding the Fourth Proportional to 59,474.27, 82,078.29 and 39,295.76

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Solution

The fourth proportional to 59,474.27, 82,078.29 and 39,295.76 is: 54,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,474.27 : 82,078.29 = 39,295.76 : x
  2. Step 2: Convert to fraction form
    59,474.27/82,078.29 = 39,295.76/x
  3. Step 3: Cross multiply
    59,474.27x = 82,078.29 × 39,295.76
  4. Step 4: Simplify right side
    59,474.27x = 3,225,328,374.66
  5. Step 5: Solve for x
    x = 3,225,328,374.66/59,474.27
  6. Step 6: Final answer
    x = 54,230.66

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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.