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Finding the Fourth Proportional to 4,474.56, 6,714.72 and 2,424

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Solution

The fourth proportional to 4,474.56, 6,714.72 and 2,424 is: 3,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.56 : 6,714.72 = 2,424 : x
  2. Step 2: Convert to fraction form
    4,474.56/6,714.72 = 2,424/x
  3. Step 3: Cross multiply
    4,474.56x = 6,714.72 × 2,424
  4. Step 4: Simplify right side
    4,474.56x = 16,276,481.28
  5. Step 5: Solve for x
    x = 16,276,481.28/4,474.56
  6. Step 6: Final answer
    x = 3,637.56

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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.