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Finding the Fourth Proportional to 11,800.44, 17,702.49 and 4,007.43

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Solution

The fourth proportional to 11,800.44, 17,702.49 and 4,007.43 is: 6,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.44 : 17,702.49 = 4,007.43 : x
  2. Step 2: Convert to fraction form
    11,800.44/17,702.49 = 4,007.43/x
  3. Step 3: Cross multiply
    11,800.44x = 17,702.49 × 4,007.43
  4. Step 4: Simplify right side
    11,800.44x = 70,941,489.50
  5. Step 5: Solve for x
    x = 70,941,489.50/11,800.44
  6. Step 6: Final answer
    x = 6,011.77

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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.