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Finding the Fourth Proportional to 2,458.43, 3,687.51 and 997.19

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Solution

The fourth proportional to 2,458.43, 3,687.51 and 997.19 is: 1,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.43 : 3,687.51 = 997.19 : x
  2. Step 2: Convert to fraction form
    2,458.43/3,687.51 = 997.19/x
  3. Step 3: Cross multiply
    2,458.43x = 3,687.51 × 997.19
  4. Step 4: Simplify right side
    2,458.43x = 3,677,148.10
  5. Step 5: Solve for x
    x = 3,677,148.10/2,458.43
  6. Step 6: Final answer
    x = 1,495.73

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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.