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Finding the Fourth Proportional to 17,165.88, 25,745.94 and 4,851

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Solution

The fourth proportional to 17,165.88, 25,745.94 and 4,851 is: 7,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,165.88 : 25,745.94 = 4,851 : x
  2. Step 2: Convert to fraction form
    17,165.88/25,745.94 = 4,851/x
  3. Step 3: Cross multiply
    17,165.88x = 25,745.94 × 4,851
  4. Step 4: Simplify right side
    17,165.88x = 124,893,554.94
  5. Step 5: Solve for x
    x = 124,893,554.94/17,165.88
  6. Step 6: Final answer
    x = 7,275.69

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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.