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Finding the Fourth Proportional to 18,217.66, 27,345.21 and 9,450.22

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Solution

The fourth proportional to 18,217.66, 27,345.21 and 9,450.22 is: 14,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.66 : 27,345.21 = 9,450.22 : x
  2. Step 2: Convert to fraction form
    18,217.66/27,345.21 = 9,450.22/x
  3. Step 3: Cross multiply
    18,217.66x = 27,345.21 × 9,450.22
  4. Step 4: Simplify right side
    18,217.66x = 258,418,250.45
  5. Step 5: Solve for x
    x = 258,418,250.45/18,217.66
  6. Step 6: Final answer
    x = 14,185.04

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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.