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Finding the Fourth Proportional to 18,367.74, 27,552.24 and 7,276.68

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Solution

The fourth proportional to 18,367.74, 27,552.24 and 7,276.68 is: 10,915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.74 : 27,552.24 = 7,276.68 : x
  2. Step 2: Convert to fraction form
    18,367.74/27,552.24 = 7,276.68/x
  3. Step 3: Cross multiply
    18,367.74x = 27,552.24 × 7,276.68
  4. Step 4: Simplify right side
    18,367.74x = 200,488,833.76
  5. Step 5: Solve for x
    x = 200,488,833.76/18,367.74
  6. Step 6: Final answer
    x = 10,915.27

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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.