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Finding the Fourth Proportional to 17,368.52, 26,055.21 and 5,679.41

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Solution

The fourth proportional to 17,368.52, 26,055.21 and 5,679.41 is: 8,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,368.52 : 26,055.21 = 5,679.41 : x
  2. Step 2: Convert to fraction form
    17,368.52/26,055.21 = 5,679.41/x
  3. Step 3: Cross multiply
    17,368.52x = 26,055.21 × 5,679.41
  4. Step 4: Simplify right side
    17,368.52x = 147,978,220.23
  5. Step 5: Solve for x
    x = 147,978,220.23/17,368.52
  6. Step 6: Final answer
    x = 8,519.91

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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.