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Finding the Fourth Proportional to 17,967.48, 26,951.94 and 8,731.32

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Solution

The fourth proportional to 17,967.48, 26,951.94 and 8,731.32 is: 13,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967.48 : 26,951.94 = 8,731.32 : x
  2. Step 2: Convert to fraction form
    17,967.48/26,951.94 = 8,731.32/x
  3. Step 3: Cross multiply
    17,967.48x = 26,951.94 × 8,731.32
  4. Step 4: Simplify right side
    17,967.48x = 235,326,012.76
  5. Step 5: Solve for x
    x = 235,326,012.76/17,967.48
  6. Step 6: Final answer
    x = 13,097.33

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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.