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Finding the Fourth Proportional to 18,373.77, 27,562.77 and 7,281.42

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Solution

The fourth proportional to 18,373.77, 27,562.77 and 7,281.42 is: 10,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.77 : 27,562.77 = 7,281.42 : x
  2. Step 2: Convert to fraction form
    18,373.77/27,562.77 = 7,281.42/x
  3. Step 3: Cross multiply
    18,373.77x = 27,562.77 × 7,281.42
  4. Step 4: Simplify right side
    18,373.77x = 200,696,104.73
  5. Step 5: Solve for x
    x = 200,696,104.73/18,373.77
  6. Step 6: Final answer
    x = 10,922.97

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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.