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Finding the Fourth Proportional to 22,081.80, 33,121.93 and 6,286.93

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Solution

The fourth proportional to 22,081.80, 33,121.93 and 6,286.93 is: 9,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.80 : 33,121.93 = 6,286.93 : x
  2. Step 2: Convert to fraction form
    22,081.80/33,121.93 = 6,286.93/x
  3. Step 3: Cross multiply
    22,081.80x = 33,121.93 × 6,286.93
  4. Step 4: Simplify right side
    22,081.80x = 208,235,354.95
  5. Step 5: Solve for x
    x = 208,235,354.95/22,081.80
  6. Step 6: Final answer
    x = 9,430.18

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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.