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Finding the Fourth Proportional to 34,659.30, 51,988.95 and 17,163.30

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Solution

The fourth proportional to 34,659.30, 51,988.95 and 17,163.30 is: 25,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,659.30 : 51,988.95 = 17,163.30 : x
  2. Step 2: Convert to fraction form
    34,659.30/51,988.95 = 17,163.30/x
  3. Step 3: Cross multiply
    34,659.30x = 51,988.95 × 17,163.30
  4. Step 4: Simplify right side
    34,659.30x = 892,301,945.54
  5. Step 5: Solve for x
    x = 892,301,945.54/34,659.30
  6. Step 6: Final answer
    x = 25,744.95

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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.