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Finding the Fourth Proportional to 5,739.86, 8,609.79 and 2,277.11

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Solution

The fourth proportional to 5,739.86, 8,609.79 and 2,277.11 is: 3,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.86 : 8,609.79 = 2,277.11 : x
  2. Step 2: Convert to fraction form
    5,739.86/8,609.79 = 2,277.11/x
  3. Step 3: Cross multiply
    5,739.86x = 8,609.79 × 2,277.11
  4. Step 4: Simplify right side
    5,739.86x = 19,605,438.91
  5. Step 5: Solve for x
    x = 19,605,438.91/5,739.86
  6. Step 6: Final answer
    x = 3,415.67

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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.