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Finding the Fourth Proportional to 18,175.88, 27,263.72 and 5,028.24

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Solution

The fourth proportional to 18,175.88, 27,263.72 and 5,028.24 is: 7,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.88 : 27,263.72 = 5,028.24 : x
  2. Step 2: Convert to fraction form
    18,175.88/27,263.72 = 5,028.24/x
  3. Step 3: Cross multiply
    18,175.88x = 27,263.72 × 5,028.24
  4. Step 4: Simplify right side
    18,175.88x = 137,088,527.45
  5. Step 5: Solve for x
    x = 137,088,527.45/18,175.88
  6. Step 6: Final answer
    x = 7,542.33

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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.