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Finding the Fourth Proportional to 17,892.48, 26,838.72 and 4,745.88

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Solution

The fourth proportional to 17,892.48, 26,838.72 and 4,745.88 is: 7,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,892.48 : 26,838.72 = 4,745.88 : x
  2. Step 2: Convert to fraction form
    17,892.48/26,838.72 = 4,745.88/x
  3. Step 3: Cross multiply
    17,892.48x = 26,838.72 × 4,745.88
  4. Step 4: Simplify right side
    17,892.48x = 127,373,344.47
  5. Step 5: Solve for x
    x = 127,373,344.47/17,892.48
  6. Step 6: Final answer
    x = 7,118.82

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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.