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Finding the Fourth Proportional to 22,066.65, 33,092.95 and 7,272.81

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Solution

The fourth proportional to 22,066.65, 33,092.95 and 7,272.81 is: 10,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,066.65 : 33,092.95 = 7,272.81 : x
  2. Step 2: Convert to fraction form
    22,066.65/33,092.95 = 7,272.81/x
  3. Step 3: Cross multiply
    22,066.65x = 33,092.95 × 7,272.81
  4. Step 4: Simplify right side
    22,066.65x = 240,678,554.04
  5. Step 5: Solve for x
    x = 240,678,554.04/22,066.65
  6. Step 6: Final answer
    x = 10,906.89

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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.