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Finding the Fourth Proportional to 22,462.56, 33,685.74 and 6,662.88

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Solution

The fourth proportional to 22,462.56, 33,685.74 and 6,662.88 is: 9,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.56 : 33,685.74 = 6,662.88 : x
  2. Step 2: Convert to fraction form
    22,462.56/33,685.74 = 6,662.88/x
  3. Step 3: Cross multiply
    22,462.56x = 33,685.74 × 6,662.88
  4. Step 4: Simplify right side
    22,462.56x = 224,444,043.33
  5. Step 5: Solve for x
    x = 224,444,043.33/22,462.56
  6. Step 6: Final answer
    x = 9,991.92

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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.