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Finding the Fourth Proportional to 22,248.74, 33,374.21 and 6,664.88

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Solution

The fourth proportional to 22,248.74, 33,374.21 and 6,664.88 is: 9,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248.74 : 33,374.21 = 6,664.88 : x
  2. Step 2: Convert to fraction form
    22,248.74/33,374.21 = 6,664.88/x
  3. Step 3: Cross multiply
    22,248.74x = 33,374.21 × 6,664.88
  4. Step 4: Simplify right side
    22,248.74x = 222,434,954.54
  5. Step 5: Solve for x
    x = 222,434,954.54/22,248.74
  6. Step 6: Final answer
    x = 9,997.65

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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.