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Finding the Fourth Proportional to 2,630.76, 3,630.47 and 1,451.87

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Solution

The fourth proportional to 2,630.76, 3,630.47 and 1,451.87 is: 2,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.76 : 3,630.47 = 1,451.87 : x
  2. Step 2: Convert to fraction form
    2,630.76/3,630.47 = 1,451.87/x
  3. Step 3: Cross multiply
    2,630.76x = 3,630.47 × 1,451.87
  4. Step 4: Simplify right side
    2,630.76x = 5,270,963.22
  5. Step 5: Solve for x
    x = 5,270,963.22/2,630.76
  6. Step 6: Final answer
    x = 2,003.59

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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.