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Finding the Fourth Proportional to 5,891.70, 8,836.47 and 2,381.52

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Solution

The fourth proportional to 5,891.70, 8,836.47 and 2,381.52 is: 3,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.70 : 8,836.47 = 2,381.52 : x
  2. Step 2: Convert to fraction form
    5,891.70/8,836.47 = 2,381.52/x
  3. Step 3: Cross multiply
    5,891.70x = 8,836.47 × 2,381.52
  4. Step 4: Simplify right side
    5,891.70x = 21,044,230.03
  5. Step 5: Solve for x
    x = 21,044,230.03/5,891.70
  6. Step 6: Final answer
    x = 3,571.84

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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.