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Finding the Fourth Proportional to 36,491.88, 54,754.22 and 18,952.14

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Solution

The fourth proportional to 36,491.88, 54,754.22 and 18,952.14 is: 28,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,491.88 : 54,754.22 = 18,952.14 : x
  2. Step 2: Convert to fraction form
    36,491.88/54,754.22 = 18,952.14/x
  3. Step 3: Cross multiply
    36,491.88x = 54,754.22 × 18,952.14
  4. Step 4: Simplify right side
    36,491.88x = 1,037,709,643.03
  5. Step 5: Solve for x
    x = 1,037,709,643.03/36,491.88
  6. Step 6: Final answer
    x = 28,436.73

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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.