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Finding the Fourth Proportional to 3,326.42, 4,984.13 and 1,474.76

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Solution

The fourth proportional to 3,326.42, 4,984.13 and 1,474.76 is: 2,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.42 : 4,984.13 = 1,474.76 : x
  2. Step 2: Convert to fraction form
    3,326.42/4,984.13 = 1,474.76/x
  3. Step 3: Cross multiply
    3,326.42x = 4,984.13 × 1,474.76
  4. Step 4: Simplify right side
    3,326.42x = 7,350,370.64
  5. Step 5: Solve for x
    x = 7,350,370.64/3,326.42
  6. Step 6: Final answer
    x = 2,209.70

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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.