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Finding the Fourth Proportional to 17,696.52, 26,531.28 and 11,462.76

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Solution

The fourth proportional to 17,696.52, 26,531.28 and 11,462.76 is: 17,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,696.52 : 26,531.28 = 11,462.76 : x
  2. Step 2: Convert to fraction form
    17,696.52/26,531.28 = 11,462.76/x
  3. Step 3: Cross multiply
    17,696.52x = 26,531.28 × 11,462.76
  4. Step 4: Simplify right side
    17,696.52x = 304,121,695.13
  5. Step 5: Solve for x
    x = 304,121,695.13/17,696.52
  6. Step 6: Final answer
    x = 17,185.40

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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.