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Finding the Fourth Proportional to 2,261.62, 3,392.96 and 701.54

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Solution

The fourth proportional to 2,261.62, 3,392.96 and 701.54 is: 1,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.62 : 3,392.96 = 701.54 : x
  2. Step 2: Convert to fraction form
    2,261.62/3,392.96 = 701.54/x
  3. Step 3: Cross multiply
    2,261.62x = 3,392.96 × 701.54
  4. Step 4: Simplify right side
    2,261.62x = 2,380,302.13
  5. Step 5: Solve for x
    x = 2,380,302.13/2,261.62
  6. Step 6: Final answer
    x = 1,052.48

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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.