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Finding the Fourth Proportional to 7,240.01, 9,991.62 and 5,468.54

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Solution

The fourth proportional to 7,240.01, 9,991.62 and 5,468.54 is: 7,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.01 : 9,991.62 = 5,468.54 : x
  2. Step 2: Convert to fraction form
    7,240.01/9,991.62 = 5,468.54/x
  3. Step 3: Cross multiply
    7,240.01x = 9,991.62 × 5,468.54
  4. Step 4: Simplify right side
    7,240.01x = 54,639,523.68
  5. Step 5: Solve for x
    x = 54,639,523.68/7,240.01
  6. Step 6: Final answer
    x = 7,546.89

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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.