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Finding the Fourth Proportional to 25,963.49, 38,917.16 and 10,363.97

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Solution

The fourth proportional to 25,963.49, 38,917.16 and 10,363.97 is: 15,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,963.49 : 38,917.16 = 10,363.97 : x
  2. Step 2: Convert to fraction form
    25,963.49/38,917.16 = 10,363.97/x
  3. Step 3: Cross multiply
    25,963.49x = 38,917.16 × 10,363.97
  4. Step 4: Simplify right side
    25,963.49x = 403,336,226.91
  5. Step 5: Solve for x
    x = 403,336,226.91/25,963.49
  6. Step 6: Final answer
    x = 15,534.75

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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.