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Finding the Fourth Proportional to 18,560.34, 27,855.09 and 10,246.10

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Solution

The fourth proportional to 18,560.34, 27,855.09 and 10,246.10 is: 15,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.34 : 27,855.09 = 10,246.10 : x
  2. Step 2: Convert to fraction form
    18,560.34/27,855.09 = 10,246.10/x
  3. Step 3: Cross multiply
    18,560.34x = 27,855.09 × 10,246.10
  4. Step 4: Simplify right side
    18,560.34x = 285,405,898.37
  5. Step 5: Solve for x
    x = 285,405,898.37/18,560.34
  6. Step 6: Final answer
    x = 15,377.19

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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.