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Finding the Fourth Proportional to 3,352.75, 5,029.23 and 887.80

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Solution

The fourth proportional to 3,352.75, 5,029.23 and 887.80 is: 1,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.75 : 5,029.23 = 887.80 : x
  2. Step 2: Convert to fraction form
    3,352.75/5,029.23 = 887.80/x
  3. Step 3: Cross multiply
    3,352.75x = 5,029.23 × 887.80
  4. Step 4: Simplify right side
    3,352.75x = 4,464,950.39
  5. Step 5: Solve for x
    x = 4,464,950.39/3,352.75
  6. Step 6: Final answer
    x = 1,331.73

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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.