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Finding the Fourth Proportional to 2,402.56, 3,604.16 and 863.52

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Solution

The fourth proportional to 2,402.56, 3,604.16 and 863.52 is: 1,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.56 : 3,604.16 = 863.52 : x
  2. Step 2: Convert to fraction form
    2,402.56/3,604.16 = 863.52/x
  3. Step 3: Cross multiply
    2,402.56x = 3,604.16 × 863.52
  4. Step 4: Simplify right side
    2,402.56x = 3,112,264.24
  5. Step 5: Solve for x
    x = 3,112,264.24/2,402.56
  6. Step 6: Final answer
    x = 1,295.40

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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.