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Finding the Fourth Proportional to 3,352.35, 5,028.35 and 887.25

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Solution

The fourth proportional to 3,352.35, 5,028.35 and 887.25 is: 1,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.35 : 5,028.35 = 887.25 : x
  2. Step 2: Convert to fraction form
    3,352.35/5,028.35 = 887.25/x
  3. Step 3: Cross multiply
    3,352.35x = 5,028.35 × 887.25
  4. Step 4: Simplify right side
    3,352.35x = 4,461,399.10
  5. Step 5: Solve for x
    x = 4,461,399.10/3,352.35
  6. Step 6: Final answer
    x = 1,330.83

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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.