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Finding the Fourth Proportional to 2,423.54, 3,635.06 and 863.22

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Solution

The fourth proportional to 2,423.54, 3,635.06 and 863.22 is: 1,294.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.54 : 3,635.06 = 863.22 : x
  2. Step 2: Convert to fraction form
    2,423.54/3,635.06 = 863.22/x
  3. Step 3: Cross multiply
    2,423.54x = 3,635.06 × 863.22
  4. Step 4: Simplify right side
    2,423.54x = 3,137,856.49
  5. Step 5: Solve for x
    x = 3,137,856.49/2,423.54
  6. Step 6: Final answer
    x = 1,294.74

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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.