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Finding the Fourth Proportional to 22,414.90, 33,612.62 and 7,619.84

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Solution

The fourth proportional to 22,414.90, 33,612.62 and 7,619.84 is: 11,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,414.90 : 33,612.62 = 7,619.84 : x
  2. Step 2: Convert to fraction form
    22,414.90/33,612.62 = 7,619.84/x
  3. Step 3: Cross multiply
    22,414.90x = 33,612.62 × 7,619.84
  4. Step 4: Simplify right side
    22,414.90x = 256,122,786.38
  5. Step 5: Solve for x
    x = 256,122,786.38/22,414.90
  6. Step 6: Final answer
    x = 11,426.45

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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.