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Finding the Fourth Proportional to 17,650.95, 26,449.08 and 13,943.98

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Solution

The fourth proportional to 17,650.95, 26,449.08 and 13,943.98 is: 20,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,650.95 : 26,449.08 = 13,943.98 : x
  2. Step 2: Convert to fraction form
    17,650.95/26,449.08 = 13,943.98/x
  3. Step 3: Cross multiply
    17,650.95x = 26,449.08 × 13,943.98
  4. Step 4: Simplify right side
    17,650.95x = 368,805,442.54
  5. Step 5: Solve for x
    x = 368,805,442.54/17,650.95
  6. Step 6: Final answer
    x = 20,894.37

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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.