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Finding the Fourth Proportional to 17,600.90, 26,384.81 and 5,905.91

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Solution

The fourth proportional to 17,600.90, 26,384.81 and 5,905.91 is: 8,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,600.90 : 26,384.81 = 5,905.91 : x
  2. Step 2: Convert to fraction form
    17,600.90/26,384.81 = 5,905.91/x
  3. Step 3: Cross multiply
    17,600.90x = 26,384.81 × 5,905.91
  4. Step 4: Simplify right side
    17,600.90x = 155,826,349.66
  5. Step 5: Solve for x
    x = 155,826,349.66/17,600.90
  6. Step 6: Final answer
    x = 8,853.32

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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.