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Finding the Fourth Proportional to 22,224.81, 33,338.44 and 6,643.65

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Solution

The fourth proportional to 22,224.81, 33,338.44 and 6,643.65 is: 9,965.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.81 : 33,338.44 = 6,643.65 : x
  2. Step 2: Convert to fraction form
    22,224.81/33,338.44 = 6,643.65/x
  3. Step 3: Cross multiply
    22,224.81x = 33,338.44 × 6,643.65
  4. Step 4: Simplify right side
    22,224.81x = 221,488,926.91
  5. Step 5: Solve for x
    x = 221,488,926.91/22,224.81
  6. Step 6: Final answer
    x = 9,965.84

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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.