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Finding the Fourth Proportional to 3,328.74, 4,982.04 and 2,232.72

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Solution

The fourth proportional to 3,328.74, 4,982.04 and 2,232.72 is: 3,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.74 : 4,982.04 = 2,232.72 : x
  2. Step 2: Convert to fraction form
    3,328.74/4,982.04 = 2,232.72/x
  3. Step 3: Cross multiply
    3,328.74x = 4,982.04 × 2,232.72
  4. Step 4: Simplify right side
    3,328.74x = 11,123,500.35
  5. Step 5: Solve for x
    x = 11,123,500.35/3,328.74
  6. Step 6: Final answer
    x = 3,341.65

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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.