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Finding the Fourth Proportional to 3,352.47, 5,028.32 and 887.48

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Solution

The fourth proportional to 3,352.47, 5,028.32 and 887.48 is: 1,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.47 : 5,028.32 = 887.48 : x
  2. Step 2: Convert to fraction form
    3,352.47/5,028.32 = 887.48/x
  3. Step 3: Cross multiply
    3,352.47x = 5,028.32 × 887.48
  4. Step 4: Simplify right side
    3,352.47x = 4,462,533.43
  5. Step 5: Solve for x
    x = 4,462,533.43/3,352.47
  6. Step 6: Final answer
    x = 1,331.12

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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.