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Finding the Fourth Proportional to 2,302.76, 3,452.90 and 916.04

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Solution

The fourth proportional to 2,302.76, 3,452.90 and 916.04 is: 1,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.76 : 3,452.90 = 916.04 : x
  2. Step 2: Convert to fraction form
    2,302.76/3,452.90 = 916.04/x
  3. Step 3: Cross multiply
    2,302.76x = 3,452.90 × 916.04
  4. Step 4: Simplify right side
    2,302.76x = 3,162,972.67
  5. Step 5: Solve for x
    x = 3,162,972.67/2,302.76
  6. Step 6: Final answer
    x = 1,373.56

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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.