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Finding the Fourth Proportional to 18,551.23, 27,832.99 and 12,335.71

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Solution

The fourth proportional to 18,551.23, 27,832.99 and 12,335.71 is: 18,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.23 : 27,832.99 = 12,335.71 : x
  2. Step 2: Convert to fraction form
    18,551.23/27,832.99 = 12,335.71/x
  3. Step 3: Cross multiply
    18,551.23x = 27,832.99 × 12,335.71
  4. Step 4: Simplify right side
    18,551.23x = 343,339,585.24
  5. Step 5: Solve for x
    x = 343,339,585.24/18,551.23
  6. Step 6: Final answer
    x = 18,507.65

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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.