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Finding the Fourth Proportional to 5,859.71, 8,788.57 and 2,571.92

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Solution

The fourth proportional to 5,859.71, 8,788.57 and 2,571.92 is: 3,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.71 : 8,788.57 = 2,571.92 : x
  2. Step 2: Convert to fraction form
    5,859.71/8,788.57 = 2,571.92/x
  3. Step 3: Cross multiply
    5,859.71x = 8,788.57 × 2,571.92
  4. Step 4: Simplify right side
    5,859.71x = 22,603,498.95
  5. Step 5: Solve for x
    x = 22,603,498.95/5,859.71
  6. Step 6: Final answer
    x = 3,857.44

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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.