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Finding the Fourth Proportional to 26,805.56, 40,193.74 and 11,219.56

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Solution

The fourth proportional to 26,805.56, 40,193.74 and 11,219.56 is: 16,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.56 : 40,193.74 = 11,219.56 : x
  2. Step 2: Convert to fraction form
    26,805.56/40,193.74 = 11,219.56/x
  3. Step 3: Cross multiply
    26,805.56x = 40,193.74 × 11,219.56
  4. Step 4: Simplify right side
    26,805.56x = 450,956,077.55
  5. Step 5: Solve for x
    x = 450,956,077.55/26,805.56
  6. Step 6: Final answer
    x = 16,823.23

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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.