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Finding the Fourth Proportional to 18,061.99, 27,093.89 and 8,202.06

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Solution

The fourth proportional to 18,061.99, 27,093.89 and 8,202.06 is: 12,303.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.99 : 27,093.89 = 8,202.06 : x
  2. Step 2: Convert to fraction form
    18,061.99/27,093.89 = 8,202.06/x
  3. Step 3: Cross multiply
    18,061.99x = 27,093.89 × 8,202.06
  4. Step 4: Simplify right side
    18,061.99x = 222,225,731.92
  5. Step 5: Solve for x
    x = 222,225,731.92/18,061.99
  6. Step 6: Final answer
    x = 12,303.50

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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.