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Finding the Fourth Proportional to 18,162.66, 27,246.58 and 8,794.98

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Solution

The fourth proportional to 18,162.66, 27,246.58 and 8,794.98 is: 13,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.66 : 27,246.58 = 8,794.98 : x
  2. Step 2: Convert to fraction form
    18,162.66/27,246.58 = 8,794.98/x
  3. Step 3: Cross multiply
    18,162.66x = 27,246.58 × 8,794.98
  4. Step 4: Simplify right side
    18,162.66x = 239,633,126.17
  5. Step 5: Solve for x
    x = 239,633,126.17/18,162.66
  6. Step 6: Final answer
    x = 13,193.72

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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.