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Finding the Fourth Proportional to 5,980.48, 8,977.12 and 3,388.48

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Solution

The fourth proportional to 5,980.48, 8,977.12 and 3,388.48 is: 5,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.48 : 8,977.12 = 3,388.48 : x
  2. Step 2: Convert to fraction form
    5,980.48/8,977.12 = 3,388.48/x
  3. Step 3: Cross multiply
    5,980.48x = 8,977.12 × 3,388.48
  4. Step 4: Simplify right side
    5,980.48x = 30,418,791.58
  5. Step 5: Solve for x
    x = 30,418,791.58/5,980.48
  6. Step 6: Final answer
    x = 5,086.35

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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.