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Finding the Fourth Proportional to 27,061, 40,603.66 and 17,197.72

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Solution

The fourth proportional to 27,061, 40,603.66 and 17,197.72 is: 25,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,061 : 40,603.66 = 17,197.72 : x
  2. Step 2: Convert to fraction form
    27,061/40,603.66 = 17,197.72/x
  3. Step 3: Cross multiply
    27,061x = 40,603.66 × 17,197.72
  4. Step 4: Simplify right side
    27,061x = 698,290,375.66
  5. Step 5: Solve for x
    x = 698,290,375.66/27,061
  6. Step 6: Final answer
    x = 25,804.31

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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.