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Finding the Fourth Proportional to 7,241.38, 9,993.03 and 4,097.56

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Solution

The fourth proportional to 7,241.38, 9,993.03 and 4,097.56 is: 5,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.38 : 9,993.03 = 4,097.56 : x
  2. Step 2: Convert to fraction form
    7,241.38/9,993.03 = 4,097.56/x
  3. Step 3: Cross multiply
    7,241.38x = 9,993.03 × 4,097.56
  4. Step 4: Simplify right side
    7,241.38x = 40,947,040.01
  5. Step 5: Solve for x
    x = 40,947,040.01/7,241.38
  6. Step 6: Final answer
    x = 5,654.59

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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.