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Finding the Fourth Proportional to 5,615.13, 7,747.07 and 3,224.82

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Solution

The fourth proportional to 5,615.13, 7,747.07 and 3,224.82 is: 4,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.13 : 7,747.07 = 3,224.82 : x
  2. Step 2: Convert to fraction form
    5,615.13/7,747.07 = 3,224.82/x
  3. Step 3: Cross multiply
    5,615.13x = 7,747.07 × 3,224.82
  4. Step 4: Simplify right side
    5,615.13x = 24,982,890.15
  5. Step 5: Solve for x
    x = 24,982,890.15/5,615.13
  6. Step 6: Final answer
    x = 4,449.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.