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Finding the Fourth Proportional to 17,908.70, 26,866.29 and 5,901.49

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Solution

The fourth proportional to 17,908.70, 26,866.29 and 5,901.49 is: 8,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.70 : 26,866.29 = 5,901.49 : x
  2. Step 2: Convert to fraction form
    17,908.70/26,866.29 = 5,901.49/x
  3. Step 3: Cross multiply
    17,908.70x = 26,866.29 × 5,901.49
  4. Step 4: Simplify right side
    17,908.70x = 158,550,977.93
  5. Step 5: Solve for x
    x = 158,550,977.93/17,908.70
  6. Step 6: Final answer
    x = 8,853.30

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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.