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Finding the Fourth Proportional to 26,672.84, 40,014.22 and 11,091.72

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Solution

The fourth proportional to 26,672.84, 40,014.22 and 11,091.72 is: 16,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,672.84 : 40,014.22 = 11,091.72 : x
  2. Step 2: Convert to fraction form
    26,672.84/40,014.22 = 11,091.72/x
  3. Step 3: Cross multiply
    26,672.84x = 40,014.22 × 11,091.72
  4. Step 4: Simplify right side
    26,672.84x = 443,826,524.26
  5. Step 5: Solve for x
    x = 443,826,524.26/26,672.84
  6. Step 6: Final answer
    x = 16,639.64

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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.