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Finding the Fourth Proportional to 11,800.46, 17,690.16 and 4,399.22

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Solution

The fourth proportional to 11,800.46, 17,690.16 and 4,399.22 is: 6,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.46 : 17,690.16 = 4,399.22 : x
  2. Step 2: Convert to fraction form
    11,800.46/17,690.16 = 4,399.22/x
  3. Step 3: Cross multiply
    11,800.46x = 17,690.16 × 4,399.22
  4. Step 4: Simplify right side
    11,800.46x = 77,822,905.68
  5. Step 5: Solve for x
    x = 77,822,905.68/11,800.46
  6. Step 6: Final answer
    x = 6,594.90

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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.