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Finding the Fourth Proportional to 69,356.28, 103,971.99 and 24,951.87

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Solution

The fourth proportional to 69,356.28, 103,971.99 and 24,951.87 is: 37,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,356.28 : 103,971.99 = 24,951.87 : x
  2. Step 2: Convert to fraction form
    69,356.28/103,971.99 = 24,951.87/x
  3. Step 3: Cross multiply
    69,356.28x = 103,971.99 × 24,951.87
  4. Step 4: Simplify right side
    69,356.28x = 2,594,295,578.12
  5. Step 5: Solve for x
    x = 2,594,295,578.12/69,356.28
  6. Step 6: Final answer
    x = 37,405.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.