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Finding the Fourth Proportional to 5,768.87, 8,654.00 and 2,480.06

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Solution

The fourth proportional to 5,768.87, 8,654.00 and 2,480.06 is: 3,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.87 : 8,654.00 = 2,480.06 : x
  2. Step 2: Convert to fraction form
    5,768.87/8,654.00 = 2,480.06/x
  3. Step 3: Cross multiply
    5,768.87x = 8,654.00 × 2,480.06
  4. Step 4: Simplify right side
    5,768.87x = 21,462,383.57
  5. Step 5: Solve for x
    x = 21,462,383.57/5,768.87
  6. Step 6: Final answer
    x = 3,720.38

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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.