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Finding the Fourth Proportional to 26,803.92, 40,193.10 and 12,012.96

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Solution

The fourth proportional to 26,803.92, 40,193.10 and 12,012.96 is: 18,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,803.92 : 40,193.10 = 12,012.96 : x
  2. Step 2: Convert to fraction form
    26,803.92/40,193.10 = 12,012.96/x
  3. Step 3: Cross multiply
    26,803.92x = 40,193.10 × 12,012.96
  4. Step 4: Simplify right side
    26,803.92x = 482,838,102.58
  5. Step 5: Solve for x
    x = 482,838,102.58/26,803.92
  6. Step 6: Final answer
    x = 18,013.71

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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.