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Finding the Fourth Proportional to 2,402.62, 3,605.36 and 1,015.88

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Solution

The fourth proportional to 2,402.62, 3,605.36 and 1,015.88 is: 1,524.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.62 : 3,605.36 = 1,015.88 : x
  2. Step 2: Convert to fraction form
    2,402.62/3,605.36 = 1,015.88/x
  3. Step 3: Cross multiply
    2,402.62x = 3,605.36 × 1,015.88
  4. Step 4: Simplify right side
    2,402.62x = 3,662,613.12
  5. Step 5: Solve for x
    x = 3,662,613.12/2,402.62
  6. Step 6: Final answer
    x = 1,524.42

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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.