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Finding the Fourth Proportional to 18,245.23, 27,360.51 and 8,882.51

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Solution

The fourth proportional to 18,245.23, 27,360.51 and 8,882.51 is: 13,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.23 : 27,360.51 = 8,882.51 : x
  2. Step 2: Convert to fraction form
    18,245.23/27,360.51 = 8,882.51/x
  3. Step 3: Cross multiply
    18,245.23x = 27,360.51 × 8,882.51
  4. Step 4: Simplify right side
    18,245.23x = 243,030,003.68
  5. Step 5: Solve for x
    x = 243,030,003.68/18,245.23
  6. Step 6: Final answer
    x = 13,320.19

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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.