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Finding the Fourth Proportional to 26,558.44, 39,856.02 and 10,976.20

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Solution

The fourth proportional to 26,558.44, 39,856.02 and 10,976.20 is: 16,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,558.44 : 39,856.02 = 10,976.20 : x
  2. Step 2: Convert to fraction form
    26,558.44/39,856.02 = 10,976.20/x
  3. Step 3: Cross multiply
    26,558.44x = 39,856.02 × 10,976.20
  4. Step 4: Simplify right side
    26,558.44x = 437,467,646.72
  5. Step 5: Solve for x
    x = 437,467,646.72/26,558.44
  6. Step 6: Final answer
    x = 16,471.89

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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.