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Finding the Fourth Proportional to 3,253.52, 4,881.12 and 1,868.44

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Solution

The fourth proportional to 3,253.52, 4,881.12 and 1,868.44 is: 2,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.52 : 4,881.12 = 1,868.44 : x
  2. Step 2: Convert to fraction form
    3,253.52/4,881.12 = 1,868.44/x
  3. Step 3: Cross multiply
    3,253.52x = 4,881.12 × 1,868.44
  4. Step 4: Simplify right side
    3,253.52x = 9,120,079.85
  5. Step 5: Solve for x
    x = 9,120,079.85/3,253.52
  6. Step 6: Final answer
    x = 2,803.14

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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.