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Finding the Fourth Proportional to 11,804.08, 17,702.28 and 3,905.11

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Solution

The fourth proportional to 11,804.08, 17,702.28 and 3,905.11 is: 5,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804.08 : 17,702.28 = 3,905.11 : x
  2. Step 2: Convert to fraction form
    11,804.08/17,702.28 = 3,905.11/x
  3. Step 3: Cross multiply
    11,804.08x = 17,702.28 × 3,905.11
  4. Step 4: Simplify right side
    11,804.08x = 69,129,350.65
  5. Step 5: Solve for x
    x = 69,129,350.65/11,804.08
  6. Step 6: Final answer
    x = 5,856.39

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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.