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Finding the Fourth Proportional to 2,481.42, 3,722.16 and 632.52

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Solution

The fourth proportional to 2,481.42, 3,722.16 and 632.52 is: 948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.42 : 3,722.16 = 632.52 : x
  2. Step 2: Convert to fraction form
    2,481.42/3,722.16 = 632.52/x
  3. Step 3: Cross multiply
    2,481.42x = 3,722.16 × 632.52
  4. Step 4: Simplify right side
    2,481.42x = 2,354,340.64
  5. Step 5: Solve for x
    x = 2,354,340.64/2,481.42
  6. Step 6: Final answer
    x = 948.79

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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.