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Finding the Fourth Proportional to 62,724.45, 86,684.18 and 51,375.98

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Solution

The fourth proportional to 62,724.45, 86,684.18 and 51,375.98 is: 71,000.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,724.45 : 86,684.18 = 51,375.98 : x
  2. Step 2: Convert to fraction form
    62,724.45/86,684.18 = 51,375.98/x
  3. Step 3: Cross multiply
    62,724.45x = 86,684.18 × 51,375.98
  4. Step 4: Simplify right side
    62,724.45x = 4,453,484,007.70
  5. Step 5: Solve for x
    x = 4,453,484,007.70/62,724.45
  6. Step 6: Final answer
    x = 71,000.77

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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.