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Finding the Fourth Proportional to 10,449.61, 15,674.41 and 3,874.03

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Solution

The fourth proportional to 10,449.61, 15,674.41 and 3,874.03 is: 5,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.61 : 15,674.41 = 3,874.03 : x
  2. Step 2: Convert to fraction form
    10,449.61/15,674.41 = 3,874.03/x
  3. Step 3: Cross multiply
    10,449.61x = 15,674.41 × 3,874.03
  4. Step 4: Simplify right side
    10,449.61x = 60,723,100.23
  5. Step 5: Solve for x
    x = 60,723,100.23/10,449.61
  6. Step 6: Final answer
    x = 5,811.04

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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.