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Finding the Fourth Proportional to 3,332.44, 4,998.66 and 867.25

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Solution

The fourth proportional to 3,332.44, 4,998.66 and 867.25 is: 1,300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.44 : 4,998.66 = 867.25 : x
  2. Step 2: Convert to fraction form
    3,332.44/4,998.66 = 867.25/x
  3. Step 3: Cross multiply
    3,332.44x = 4,998.66 × 867.25
  4. Step 4: Simplify right side
    3,332.44x = 4,335,087.89
  5. Step 5: Solve for x
    x = 4,335,087.89/3,332.44
  6. Step 6: Final answer
    x = 1,300.88

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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.