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Finding the Fourth Proportional to 5,859.65, 8,788.02 and 2,159.87

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Solution

The fourth proportional to 5,859.65, 8,788.02 and 2,159.87 is: 3,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.65 : 8,788.02 = 2,159.87 : x
  2. Step 2: Convert to fraction form
    5,859.65/8,788.02 = 2,159.87/x
  3. Step 3: Cross multiply
    5,859.65x = 8,788.02 × 2,159.87
  4. Step 4: Simplify right side
    5,859.65x = 18,981,002.73
  5. Step 5: Solve for x
    x = 18,981,002.73/5,859.65
  6. Step 6: Final answer
    x = 3,239.27

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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.