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Finding the Fourth Proportional to 17,449.46, 26,174.15 and 5,137.46

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Solution

The fourth proportional to 17,449.46, 26,174.15 and 5,137.46 is: 7,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,449.46 : 26,174.15 = 5,137.46 : x
  2. Step 2: Convert to fraction form
    17,449.46/26,174.15 = 5,137.46/x
  3. Step 3: Cross multiply
    17,449.46x = 26,174.15 × 5,137.46
  4. Step 4: Simplify right side
    17,449.46x = 134,468,492.10
  5. Step 5: Solve for x
    x = 134,468,492.10/17,449.46
  6. Step 6: Final answer
    x = 7,706.17

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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.