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Finding the Fourth Proportional to 17,840.88, 26,765.08 and 6,747.32

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Solution

The fourth proportional to 17,840.88, 26,765.08 and 6,747.32 is: 10,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,840.88 : 26,765.08 = 6,747.32 : x
  2. Step 2: Convert to fraction form
    17,840.88/26,765.08 = 6,747.32/x
  3. Step 3: Cross multiply
    17,840.88x = 26,765.08 × 6,747.32
  4. Step 4: Simplify right side
    17,840.88x = 180,592,609.63
  5. Step 5: Solve for x
    x = 180,592,609.63/17,840.88
  6. Step 6: Final answer
    x = 10,122.40

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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.