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Finding the Fourth Proportional to 2,474.96, 3,714.76 and 1,305.84

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Solution

The fourth proportional to 2,474.96, 3,714.76 and 1,305.84 is: 1,959.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.96 : 3,714.76 = 1,305.84 : x
  2. Step 2: Convert to fraction form
    2,474.96/3,714.76 = 1,305.84/x
  3. Step 3: Cross multiply
    2,474.96x = 3,714.76 × 1,305.84
  4. Step 4: Simplify right side
    2,474.96x = 4,850,882.20
  5. Step 5: Solve for x
    x = 4,850,882.20/2,474.96
  6. Step 6: Final answer
    x = 1,959.98

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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.