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Finding the Fourth Proportional to 5,859.26, 8,787.87 and 1,963.65

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Solution

The fourth proportional to 5,859.26, 8,787.87 and 1,963.65 is: 2,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.26 : 8,787.87 = 1,963.65 : x
  2. Step 2: Convert to fraction form
    5,859.26/8,787.87 = 1,963.65/x
  3. Step 3: Cross multiply
    5,859.26x = 8,787.87 × 1,963.65
  4. Step 4: Simplify right side
    5,859.26x = 17,256,300.93
  5. Step 5: Solve for x
    x = 17,256,300.93/5,859.26
  6. Step 6: Final answer
    x = 2,945.14

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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.