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Finding the Fourth Proportional to 2,630.10, 3,627.72 and 2,132.76

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Solution

The fourth proportional to 2,630.10, 3,627.72 and 2,132.76 is: 2,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.10 : 3,627.72 = 2,132.76 : x
  2. Step 2: Convert to fraction form
    2,630.10/3,627.72 = 2,132.76/x
  3. Step 3: Cross multiply
    2,630.10x = 3,627.72 × 2,132.76
  4. Step 4: Simplify right side
    2,630.10x = 7,737,056.11
  5. Step 5: Solve for x
    x = 7,737,056.11/2,630.10
  6. Step 6: Final answer
    x = 2,941.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.