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Finding the Fourth Proportional to 3,967.89, 5,474.66 and 2,373.86

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Solution

The fourth proportional to 3,967.89, 5,474.66 and 2,373.86 is: 3,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.89 : 5,474.66 = 2,373.86 : x
  2. Step 2: Convert to fraction form
    3,967.89/5,474.66 = 2,373.86/x
  3. Step 3: Cross multiply
    3,967.89x = 5,474.66 × 2,373.86
  4. Step 4: Simplify right side
    3,967.89x = 12,996,037.15
  5. Step 5: Solve for x
    x = 12,996,037.15/3,967.89
  6. Step 6: Final answer
    x = 3,275.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.