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Finding the Fourth Proportional to 18,094.20, 27,141.30 and 8,252.70

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Solution

The fourth proportional to 18,094.20, 27,141.30 and 8,252.70 is: 12,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,094.20 : 27,141.30 = 8,252.70 : x
  2. Step 2: Convert to fraction form
    18,094.20/27,141.30 = 8,252.70/x
  3. Step 3: Cross multiply
    18,094.20x = 27,141.30 × 8,252.70
  4. Step 4: Simplify right side
    18,094.20x = 223,989,006.51
  5. Step 5: Solve for x
    x = 223,989,006.51/18,094.20
  6. Step 6: Final answer
    x = 12,379.05

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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.