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Finding the Fourth Proportional to 18,324.68, 27,354.34 and 16,955.08

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Solution

The fourth proportional to 18,324.68, 27,354.34 and 16,955.08 is: 25,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.68 : 27,354.34 = 16,955.08 : x
  2. Step 2: Convert to fraction form
    18,324.68/27,354.34 = 16,955.08/x
  3. Step 3: Cross multiply
    18,324.68x = 27,354.34 × 16,955.08
  4. Step 4: Simplify right side
    18,324.68x = 463,795,023.05
  5. Step 5: Solve for x
    x = 463,795,023.05/18,324.68
  6. Step 6: Final answer
    x = 25,309.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.