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Finding the Fourth Proportional to 5,768.76, 8,645.02 and 3,299.88

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Solution

The fourth proportional to 5,768.76, 8,645.02 and 3,299.88 is: 4,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.76 : 8,645.02 = 3,299.88 : x
  2. Step 2: Convert to fraction form
    5,768.76/8,645.02 = 3,299.88/x
  3. Step 3: Cross multiply
    5,768.76x = 8,645.02 × 3,299.88
  4. Step 4: Simplify right side
    5,768.76x = 28,527,528.60
  5. Step 5: Solve for x
    x = 28,527,528.60/5,768.76
  6. Step 6: Final answer
    x = 4,945.18

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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.