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Finding the Fourth Proportional to 1,672.92, 2,318.22 and 1,652.04

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Solution

The fourth proportional to 1,672.92, 2,318.22 and 1,652.04 is: 2,289.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.92 : 2,318.22 = 1,652.04 : x
  2. Step 2: Convert to fraction form
    1,672.92/2,318.22 = 1,652.04/x
  3. Step 3: Cross multiply
    1,672.92x = 2,318.22 × 1,652.04
  4. Step 4: Simplify right side
    1,672.92x = 3,829,792.17
  5. Step 5: Solve for x
    x = 3,829,792.17/1,672.92
  6. Step 6: Final answer
    x = 2,289.29

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.