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Finding the Fourth Proportional to 17,863.94, 26,756.91 and 8,610.50

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Solution

The fourth proportional to 17,863.94, 26,756.91 and 8,610.50 is: 12,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.94 : 26,756.91 = 8,610.50 : x
  2. Step 2: Convert to fraction form
    17,863.94/26,756.91 = 8,610.50/x
  3. Step 3: Cross multiply
    17,863.94x = 26,756.91 × 8,610.50
  4. Step 4: Simplify right side
    17,863.94x = 230,390,373.56
  5. Step 5: Solve for x
    x = 230,390,373.56/17,863.94
  6. Step 6: Final answer
    x = 12,896.95

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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.