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Finding the Fourth Proportional to 18,211.76, 27,317.34 and 5,899.76

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Solution

The fourth proportional to 18,211.76, 27,317.34 and 5,899.76 is: 8,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.76 : 27,317.34 = 5,899.76 : x
  2. Step 2: Convert to fraction form
    18,211.76/27,317.34 = 5,899.76/x
  3. Step 3: Cross multiply
    18,211.76x = 27,317.34 × 5,899.76
  4. Step 4: Simplify right side
    18,211.76x = 161,165,749.84
  5. Step 5: Solve for x
    x = 161,165,749.84/18,211.76
  6. Step 6: Final answer
    x = 8,849.54

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Similar ratio
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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.