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Finding the Fourth Proportional to 17,296.80, 25,968.54 and 11,068.98

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Solution

The fourth proportional to 17,296.80, 25,968.54 and 11,068.98 is: 16,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,296.80 : 25,968.54 = 11,068.98 : x
  2. Step 2: Convert to fraction form
    17,296.80/25,968.54 = 11,068.98/x
  3. Step 3: Cross multiply
    17,296.80x = 25,968.54 × 11,068.98
  4. Step 4: Simplify right side
    17,296.80x = 287,445,249.89
  5. Step 5: Solve for x
    x = 287,445,249.89/17,296.80
  6. Step 6: Final answer
    x = 16,618.41

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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.