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Finding the Fourth Proportional to 2,402.85, 3,605.15 and 943.01

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Solution

The fourth proportional to 2,402.85, 3,605.15 and 943.01 is: 1,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.85 : 3,605.15 = 943.01 : x
  2. Step 2: Convert to fraction form
    2,402.85/3,605.15 = 943.01/x
  3. Step 3: Cross multiply
    2,402.85x = 3,605.15 × 943.01
  4. Step 4: Simplify right side
    2,402.85x = 3,399,676.83
  5. Step 5: Solve for x
    x = 3,399,676.83/2,402.85
  6. Step 6: Final answer
    x = 1,414.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.