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Finding the Fourth Proportional to 18,068.87, 27,103.34 and 11,834.10

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Solution

The fourth proportional to 18,068.87, 27,103.34 and 11,834.10 is: 17,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.87 : 27,103.34 = 11,834.10 : x
  2. Step 2: Convert to fraction form
    18,068.87/27,103.34 = 11,834.10/x
  3. Step 3: Cross multiply
    18,068.87x = 27,103.34 × 11,834.10
  4. Step 4: Simplify right side
    18,068.87x = 320,743,665.48
  5. Step 5: Solve for x
    x = 320,743,665.48/18,068.87
  6. Step 6: Final answer
    x = 17,751.17

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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.