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Finding the Fourth Proportional to 18,402.28, 27,606.66 and 8,552.68

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Solution

The fourth proportional to 18,402.28, 27,606.66 and 8,552.68 is: 12,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.28 : 27,606.66 = 8,552.68 : x
  2. Step 2: Convert to fraction form
    18,402.28/27,606.66 = 8,552.68/x
  3. Step 3: Cross multiply
    18,402.28x = 27,606.66 × 8,552.68
  4. Step 4: Simplify right side
    18,402.28x = 236,110,928.85
  5. Step 5: Solve for x
    x = 236,110,928.85/18,402.28
  6. Step 6: Final answer
    x = 12,830.53

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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.