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Finding the Fourth Proportional to 7,241.13, 9,992.97 and 4,097.25

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Solution

The fourth proportional to 7,241.13, 9,992.97 and 4,097.25 is: 5,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.13 : 9,992.97 = 4,097.25 : x
  2. Step 2: Convert to fraction form
    7,241.13/9,992.97 = 4,097.25/x
  3. Step 3: Cross multiply
    7,241.13x = 9,992.97 × 4,097.25
  4. Step 4: Simplify right side
    7,241.13x = 40,943,696.33
  5. Step 5: Solve for x
    x = 40,943,696.33/7,241.13
  6. Step 6: Final answer
    x = 5,654.32

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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.