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Finding the Fourth Proportional to 18,522.17, 27,786.14 and 6,039.30

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Solution

The fourth proportional to 18,522.17, 27,786.14 and 6,039.30 is: 9,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.17 : 27,786.14 = 6,039.30 : x
  2. Step 2: Convert to fraction form
    18,522.17/27,786.14 = 6,039.30/x
  3. Step 3: Cross multiply
    18,522.17x = 27,786.14 × 6,039.30
  4. Step 4: Simplify right side
    18,522.17x = 167,808,850.40
  5. Step 5: Solve for x
    x = 167,808,850.40/18,522.17
  6. Step 6: Final answer
    x = 9,059.89

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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.