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Finding the Fourth Proportional to 2,482.46, 3,724.14 and 1,020.81

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Solution

The fourth proportional to 2,482.46, 3,724.14 and 1,020.81 is: 1,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.46 : 3,724.14 = 1,020.81 : x
  2. Step 2: Convert to fraction form
    2,482.46/3,724.14 = 1,020.81/x
  3. Step 3: Cross multiply
    2,482.46x = 3,724.14 × 1,020.81
  4. Step 4: Simplify right side
    2,482.46x = 3,801,657.15
  5. Step 5: Solve for x
    x = 3,801,657.15/2,482.46
  6. Step 6: Final answer
    x = 1,531.41

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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.