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Finding the Fourth Proportional to 5,859.07, 8,787.22 and 2,159.29

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Solution

The fourth proportional to 5,859.07, 8,787.22 and 2,159.29 is: 3,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.07 : 8,787.22 = 2,159.29 : x
  2. Step 2: Convert to fraction form
    5,859.07/8,787.22 = 2,159.29/x
  3. Step 3: Cross multiply
    5,859.07x = 8,787.22 × 2,159.29
  4. Step 4: Simplify right side
    5,859.07x = 18,974,156.27
  5. Step 5: Solve for x
    x = 18,974,156.27/5,859.07
  6. Step 6: Final answer
    x = 3,238.42

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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.