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Finding the Fourth Proportional to 18,341.08, 27,504.72 and 7,250.20

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Solution

The fourth proportional to 18,341.08, 27,504.72 and 7,250.20 is: 10,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.08 : 27,504.72 = 7,250.20 : x
  2. Step 2: Convert to fraction form
    18,341.08/27,504.72 = 7,250.20/x
  3. Step 3: Cross multiply
    18,341.08x = 27,504.72 × 7,250.20
  4. Step 4: Simplify right side
    18,341.08x = 199,414,720.94
  5. Step 5: Solve for x
    x = 199,414,720.94/18,341.08
  6. Step 6: Final answer
    x = 10,872.57

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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.