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Finding the Fourth Proportional to 18,093.70, 27,150.14 and 8,859.70

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Solution

The fourth proportional to 18,093.70, 27,150.14 and 8,859.70 is: 13,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.70 : 27,150.14 = 8,859.70 : x
  2. Step 2: Convert to fraction form
    18,093.70/27,150.14 = 8,859.70/x
  3. Step 3: Cross multiply
    18,093.70x = 27,150.14 × 8,859.70
  4. Step 4: Simplify right side
    18,093.70x = 240,542,095.36
  5. Step 5: Solve for x
    x = 240,542,095.36/18,093.70
  6. Step 6: Final answer
    x = 13,294.25

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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.