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Finding the Fourth Proportional to 2,701.72, 4,052.60 and 754.07

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Solution

The fourth proportional to 2,701.72, 4,052.60 and 754.07 is: 1,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.72 : 4,052.60 = 754.07 : x
  2. Step 2: Convert to fraction form
    2,701.72/4,052.60 = 754.07/x
  3. Step 3: Cross multiply
    2,701.72x = 4,052.60 × 754.07
  4. Step 4: Simplify right side
    2,701.72x = 3,055,940.31
  5. Step 5: Solve for x
    x = 3,055,940.31/2,701.72
  6. Step 6: Final answer
    x = 1,131.11

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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.