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Finding the Fourth Proportional to 18,412.76, 27,622.92 and 5,934.44

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Solution

The fourth proportional to 18,412.76, 27,622.92 and 5,934.44 is: 8,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.76 : 27,622.92 = 5,934.44 : x
  2. Step 2: Convert to fraction form
    18,412.76/27,622.92 = 5,934.44/x
  3. Step 3: Cross multiply
    18,412.76x = 27,622.92 × 5,934.44
  4. Step 4: Simplify right side
    18,412.76x = 163,926,561.36
  5. Step 5: Solve for x
    x = 163,926,561.36/18,412.76
  6. Step 6: Final answer
    x = 8,902.88

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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.