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Finding the Fourth Proportional to 17,137.95, 25,694.49 and 11,577.51

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Solution

The fourth proportional to 17,137.95, 25,694.49 and 11,577.51 is: 17,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,137.95 : 25,694.49 = 11,577.51 : x
  2. Step 2: Convert to fraction form
    17,137.95/25,694.49 = 11,577.51/x
  3. Step 3: Cross multiply
    17,137.95x = 25,694.49 × 11,577.51
  4. Step 4: Simplify right side
    17,137.95x = 297,478,214.92
  5. Step 5: Solve for x
    x = 297,478,214.92/17,137.95
  6. Step 6: Final answer
    x = 17,357.86

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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.