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Finding the Fourth Proportional to 18,285.01, 27,428.83 and 8,932.82

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Solution

The fourth proportional to 18,285.01, 27,428.83 and 8,932.82 is: 13,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.01 : 27,428.83 = 8,932.82 : x
  2. Step 2: Convert to fraction form
    18,285.01/27,428.83 = 8,932.82/x
  3. Step 3: Cross multiply
    18,285.01x = 27,428.83 × 8,932.82
  4. Step 4: Simplify right side
    18,285.01x = 245,016,641.72
  5. Step 5: Solve for x
    x = 245,016,641.72/18,285.01
  6. Step 6: Final answer
    x = 13,399.87

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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.