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Finding the Fourth Proportional to 36,220.16, 54,322.84 and 9,922.88

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Solution

The fourth proportional to 36,220.16, 54,322.84 and 9,922.88 is: 14,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.16 : 54,322.84 = 9,922.88 : x
  2. Step 2: Convert to fraction form
    36,220.16/54,322.84 = 9,922.88/x
  3. Step 3: Cross multiply
    36,220.16x = 54,322.84 × 9,922.88
  4. Step 4: Simplify right side
    36,220.16x = 539,039,022.58
  5. Step 5: Solve for x
    x = 539,039,022.58/36,220.16
  6. Step 6: Final answer
    x = 14,882.29

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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.