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Finding the Fourth Proportional to 2,394.56, 3,592.15 and 663.19

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Solution

The fourth proportional to 2,394.56, 3,592.15 and 663.19 is: 994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.56 : 3,592.15 = 663.19 : x
  2. Step 2: Convert to fraction form
    2,394.56/3,592.15 = 663.19/x
  3. Step 3: Cross multiply
    2,394.56x = 3,592.15 × 663.19
  4. Step 4: Simplify right side
    2,394.56x = 2,382,267.32
  5. Step 5: Solve for x
    x = 2,382,267.32/2,394.56
  6. Step 6: Final answer
    x = 994.87

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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.