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Finding the Fourth Proportional to 5,344.61, 8,021.23 and 2,748.29

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Solution

The fourth proportional to 5,344.61, 8,021.23 and 2,748.29 is: 4,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.61 : 8,021.23 = 2,748.29 : x
  2. Step 2: Convert to fraction form
    5,344.61/8,021.23 = 2,748.29/x
  3. Step 3: Cross multiply
    5,344.61x = 8,021.23 × 2,748.29
  4. Step 4: Simplify right side
    5,344.61x = 22,044,619.22
  5. Step 5: Solve for x
    x = 22,044,619.22/5,344.61
  6. Step 6: Final answer
    x = 4,124.65

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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.