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Finding the Fourth Proportional to 8,934.57, 13,398.82 and 3,089.81

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Solution

The fourth proportional to 8,934.57, 13,398.82 and 3,089.81 is: 4,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.57 : 13,398.82 = 3,089.81 : x
  2. Step 2: Convert to fraction form
    8,934.57/13,398.82 = 3,089.81/x
  3. Step 3: Cross multiply
    8,934.57x = 13,398.82 × 3,089.81
  4. Step 4: Simplify right side
    8,934.57x = 41,399,833.80
  5. Step 5: Solve for x
    x = 41,399,833.80/8,934.57
  6. Step 6: Final answer
    x = 4,633.67

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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.