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Finding the Fourth Proportional to 2,701.88, 4,052.32 and 754.08

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Solution

The fourth proportional to 2,701.88, 4,052.32 and 754.08 is: 1,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.88 : 4,052.32 = 754.08 : x
  2. Step 2: Convert to fraction form
    2,701.88/4,052.32 = 754.08/x
  3. Step 3: Cross multiply
    2,701.88x = 4,052.32 × 754.08
  4. Step 4: Simplify right side
    2,701.88x = 3,055,773.47
  5. Step 5: Solve for x
    x = 3,055,773.47/2,701.88
  6. Step 6: Final answer
    x = 1,130.98

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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.