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Finding the Fourth Proportional to 22,422.64, 33,626.08 and 6,623.48

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Solution

The fourth proportional to 22,422.64, 33,626.08 and 6,623.48 is: 9,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.64 : 33,626.08 = 6,623.48 : x
  2. Step 2: Convert to fraction form
    22,422.64/33,626.08 = 6,623.48/x
  3. Step 3: Cross multiply
    22,422.64x = 33,626.08 × 6,623.48
  4. Step 4: Simplify right side
    22,422.64x = 222,721,668.36
  5. Step 5: Solve for x
    x = 222,721,668.36/22,422.64
  6. Step 6: Final answer
    x = 9,932.89

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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.