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Finding the Fourth Proportional to 3,352.89, 5,028.76 and 887.75

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Solution

The fourth proportional to 3,352.89, 5,028.76 and 887.75 is: 1,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.89 : 5,028.76 = 887.75 : x
  2. Step 2: Convert to fraction form
    3,352.89/5,028.76 = 887.75/x
  3. Step 3: Cross multiply
    3,352.89x = 5,028.76 × 887.75
  4. Step 4: Simplify right side
    3,352.89x = 4,464,252.11
  5. Step 5: Solve for x
    x = 4,464,252.11/3,352.89
  6. Step 6: Final answer
    x = 1,331.46

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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.