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Finding the Fourth Proportional to 17,893.16, 26,839.67 and 4,745.64

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Solution

The fourth proportional to 17,893.16, 26,839.67 and 4,745.64 is: 7,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,893.16 : 26,839.67 = 4,745.64 : x
  2. Step 2: Convert to fraction form
    17,893.16/26,839.67 = 4,745.64/x
  3. Step 3: Cross multiply
    17,893.16x = 26,839.67 × 4,745.64
  4. Step 4: Simplify right side
    17,893.16x = 127,371,488.46
  5. Step 5: Solve for x
    x = 127,371,488.46/17,893.16
  6. Step 6: Final answer
    x = 7,118.45

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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.