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Finding the Fourth Proportional to 7,393.74, 11,081.38 and 3,697.03

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Solution

The fourth proportional to 7,393.74, 11,081.38 and 3,697.03 is: 5,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.74 : 11,081.38 = 3,697.03 : x
  2. Step 2: Convert to fraction form
    7,393.74/11,081.38 = 3,697.03/x
  3. Step 3: Cross multiply
    7,393.74x = 11,081.38 × 3,697.03
  4. Step 4: Simplify right side
    7,393.74x = 40,968,143.51
  5. Step 5: Solve for x
    x = 40,968,143.51/7,393.74
  6. Step 6: Final answer
    x = 5,540.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.