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Finding the Fourth Proportional to 2,512.71, 3,769.47 and 1,052.01

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Solution

The fourth proportional to 2,512.71, 3,769.47 and 1,052.01 is: 1,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.71 : 3,769.47 = 1,052.01 : x
  2. Step 2: Convert to fraction form
    2,512.71/3,769.47 = 1,052.01/x
  3. Step 3: Cross multiply
    2,512.71x = 3,769.47 × 1,052.01
  4. Step 4: Simplify right side
    2,512.71x = 3,965,520.13
  5. Step 5: Solve for x
    x = 3,965,520.13/2,512.71
  6. Step 6: Final answer
    x = 1,578.18

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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.