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Finding the Fourth Proportional to 10,679.52, 16,027.11 and 8,624.10

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Solution

The fourth proportional to 10,679.52, 16,027.11 and 8,624.10 is: 12,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.52 : 16,027.11 = 8,624.10 : x
  2. Step 2: Convert to fraction form
    10,679.52/16,027.11 = 8,624.10/x
  3. Step 3: Cross multiply
    10,679.52x = 16,027.11 × 8,624.10
  4. Step 4: Simplify right side
    10,679.52x = 138,219,399.35
  5. Step 5: Solve for x
    x = 138,219,399.35/10,679.52
  6. Step 6: Final answer
    x = 12,942.47

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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.