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Finding the Fourth Proportional to 18,630.73, 27,934.80 and 7,524.46

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Solution

The fourth proportional to 18,630.73, 27,934.80 and 7,524.46 is: 11,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.73 : 27,934.80 = 7,524.46 : x
  2. Step 2: Convert to fraction form
    18,630.73/27,934.80 = 7,524.46/x
  3. Step 3: Cross multiply
    18,630.73x = 27,934.80 × 7,524.46
  4. Step 4: Simplify right side
    18,630.73x = 210,194,285.21
  5. Step 5: Solve for x
    x = 210,194,285.21/18,630.73
  6. Step 6: Final answer
    x = 11,282.13

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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.