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Finding the Fourth Proportional to 11,343.44, 15,651.71 and 6,867.61

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Solution

The fourth proportional to 11,343.44, 15,651.71 and 6,867.61 is: 9,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.44 : 15,651.71 = 6,867.61 : x
  2. Step 2: Convert to fraction form
    11,343.44/15,651.71 = 6,867.61/x
  3. Step 3: Cross multiply
    11,343.44x = 15,651.71 × 6,867.61
  4. Step 4: Simplify right side
    11,343.44x = 107,489,795.99
  5. Step 5: Solve for x
    x = 107,489,795.99/11,343.44
  6. Step 6: Final answer
    x = 9,475.94

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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.