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Finding the Fourth Proportional to 7,241.38, 9,993.45 and 4,097.50

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Solution

The fourth proportional to 7,241.38, 9,993.45 and 4,097.50 is: 5,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.38 : 9,993.45 = 4,097.50 : x
  2. Step 2: Convert to fraction form
    7,241.38/9,993.45 = 4,097.50/x
  3. Step 3: Cross multiply
    7,241.38x = 9,993.45 × 4,097.50
  4. Step 4: Simplify right side
    7,241.38x = 40,948,161.38
  5. Step 5: Solve for x
    x = 40,948,161.38/7,241.38
  6. Step 6: Final answer
    x = 5,654.75

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Half scale
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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.