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Finding the Fourth Proportional to 3,373.52, 5,060.40 and 3,102.88

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Solution

The fourth proportional to 3,373.52, 5,060.40 and 3,102.88 is: 4,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.52 : 5,060.40 = 3,102.88 : x
  2. Step 2: Convert to fraction form
    3,373.52/5,060.40 = 3,102.88/x
  3. Step 3: Cross multiply
    3,373.52x = 5,060.40 × 3,102.88
  4. Step 4: Simplify right side
    3,373.52x = 15,701,813.95
  5. Step 5: Solve for x
    x = 15,701,813.95/3,373.52
  6. Step 6: Final answer
    x = 4,654.43

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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.