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Finding the Fourth Proportional to 3,468.48, 5,202.60 and 871.44

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Solution

The fourth proportional to 3,468.48, 5,202.60 and 871.44 is: 1,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.48 : 5,202.60 = 871.44 : x
  2. Step 2: Convert to fraction form
    3,468.48/5,202.60 = 871.44/x
  3. Step 3: Cross multiply
    3,468.48x = 5,202.60 × 871.44
  4. Step 4: Simplify right side
    3,468.48x = 4,533,753.74
  5. Step 5: Solve for x
    x = 4,533,753.74/3,468.48
  6. Step 6: Final answer
    x = 1,307.13

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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.