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Finding the Fourth Proportional to 11,889.08, 17,832 and 6,951.32

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Solution

The fourth proportional to 11,889.08, 17,832 and 6,951.32 is: 10,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.08 : 17,832 = 6,951.32 : x
  2. Step 2: Convert to fraction form
    11,889.08/17,832 = 6,951.32/x
  3. Step 3: Cross multiply
    11,889.08x = 17,832 × 6,951.32
  4. Step 4: Simplify right side
    11,889.08x = 123,955,938.24
  5. Step 5: Solve for x
    x = 123,955,938.24/11,889.08
  6. Step 6: Final answer
    x = 10,426.03

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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.