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Finding the Fourth Proportional to 18,482.28, 27,736.77 and 7,392.06

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Solution

The fourth proportional to 18,482.28, 27,736.77 and 7,392.06 is: 11,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.28 : 27,736.77 = 7,392.06 : x
  2. Step 2: Convert to fraction form
    18,482.28/27,736.77 = 7,392.06/x
  3. Step 3: Cross multiply
    18,482.28x = 27,736.77 × 7,392.06
  4. Step 4: Simplify right side
    18,482.28x = 205,031,868.05
  5. Step 5: Solve for x
    x = 205,031,868.05/18,482.28
  6. Step 6: Final answer
    x = 11,093.43

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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.