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Finding the Fourth Proportional to 22,093.66, 33,140.49 and 18,189.87

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Solution

The fourth proportional to 22,093.66, 33,140.49 and 18,189.87 is: 27,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,093.66 : 33,140.49 = 18,189.87 : x
  2. Step 2: Convert to fraction form
    22,093.66/33,140.49 = 18,189.87/x
  3. Step 3: Cross multiply
    22,093.66x = 33,140.49 × 18,189.87
  4. Step 4: Simplify right side
    22,093.66x = 602,821,114.67
  5. Step 5: Solve for x
    x = 602,821,114.67/22,093.66
  6. Step 6: Final answer
    x = 27,284.80

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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.