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Finding the Fourth Proportional to 18,338.94, 27,508.41 and 9,569.07

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Solution

The fourth proportional to 18,338.94, 27,508.41 and 9,569.07 is: 14,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.94 : 27,508.41 = 9,569.07 : x
  2. Step 2: Convert to fraction form
    18,338.94/27,508.41 = 9,569.07/x
  3. Step 3: Cross multiply
    18,338.94x = 27,508.41 × 9,569.07
  4. Step 4: Simplify right side
    18,338.94x = 263,229,900.88
  5. Step 5: Solve for x
    x = 263,229,900.88/18,338.94
  6. Step 6: Final answer
    x = 14,353.61

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Similar ratio
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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.