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Finding the Fourth Proportional to 3,353.39, 5,029.92 and 888.15

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Solution

The fourth proportional to 3,353.39, 5,029.92 and 888.15 is: 1,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.39 : 5,029.92 = 888.15 : x
  2. Step 2: Convert to fraction form
    3,353.39/5,029.92 = 888.15/x
  3. Step 3: Cross multiply
    3,353.39x = 5,029.92 × 888.15
  4. Step 4: Simplify right side
    3,353.39x = 4,467,323.45
  5. Step 5: Solve for x
    x = 4,467,323.45/3,353.39
  6. Step 6: Final answer
    x = 1,332.18

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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.