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Finding the Fourth Proportional to 22,262.88, 33,393.76 and 6,680.64

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Solution

The fourth proportional to 22,262.88, 33,393.76 and 6,680.64 is: 10,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.88 : 33,393.76 = 6,680.64 : x
  2. Step 2: Convert to fraction form
    22,262.88/33,393.76 = 6,680.64/x
  3. Step 3: Cross multiply
    22,262.88x = 33,393.76 × 6,680.64
  4. Step 4: Simplify right side
    22,262.88x = 223,091,688.81
  5. Step 5: Solve for x
    x = 223,091,688.81/22,262.88
  6. Step 6: Final answer
    x = 10,020.79

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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.