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Finding the Fourth Proportional to 26,861, 40,292.52 and 10,217.92

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Solution

The fourth proportional to 26,861, 40,292.52 and 10,217.92 is: 15,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861 : 40,292.52 = 10,217.92 : x
  2. Step 2: Convert to fraction form
    26,861/40,292.52 = 10,217.92/x
  3. Step 3: Cross multiply
    26,861x = 40,292.52 × 10,217.92
  4. Step 4: Simplify right side
    26,861x = 411,705,745.96
  5. Step 5: Solve for x
    x = 411,705,745.96/26,861
  6. Step 6: Final answer
    x = 15,327.27

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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.