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Finding the Fourth Proportional to 2,442.72, 3,660.44 and 1,713.72

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Solution

The fourth proportional to 2,442.72, 3,660.44 and 1,713.72 is: 2,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.72 : 3,660.44 = 1,713.72 : x
  2. Step 2: Convert to fraction form
    2,442.72/3,660.44 = 1,713.72/x
  3. Step 3: Cross multiply
    2,442.72x = 3,660.44 × 1,713.72
  4. Step 4: Simplify right side
    2,442.72x = 6,272,960.67
  5. Step 5: Solve for x
    x = 6,272,960.67/2,442.72
  6. Step 6: Final answer
    x = 2,568.02

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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.