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Finding the Fourth Proportional to 3,353.62, 5,030.48 and 888.42

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Solution

The fourth proportional to 3,353.62, 5,030.48 and 888.42 is: 1,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.62 : 5,030.48 = 888.42 : x
  2. Step 2: Convert to fraction form
    3,353.62/5,030.48 = 888.42/x
  3. Step 3: Cross multiply
    3,353.62x = 5,030.48 × 888.42
  4. Step 4: Simplify right side
    3,353.62x = 4,469,179.04
  5. Step 5: Solve for x
    x = 4,469,179.04/3,353.62
  6. Step 6: Final answer
    x = 1,332.64

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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.