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Finding the Fourth Proportional to 5,747.67, 8,615.52 and 3,898.94

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Solution

The fourth proportional to 5,747.67, 8,615.52 and 3,898.94 is: 5,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.67 : 8,615.52 = 3,898.94 : x
  2. Step 2: Convert to fraction form
    5,747.67/8,615.52 = 3,898.94/x
  3. Step 3: Cross multiply
    5,747.67x = 8,615.52 × 3,898.94
  4. Step 4: Simplify right side
    5,747.67x = 33,591,352.47
  5. Step 5: Solve for x
    x = 33,591,352.47/5,747.67
  6. Step 6: Final answer
    x = 5,844.34

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1.5x scale

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.