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Finding the Fourth Proportional to 17,605.65, 26,416.95 and 10,940.34

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Solution

The fourth proportional to 17,605.65, 26,416.95 and 10,940.34 is: 16,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.65 : 26,416.95 = 10,940.34 : x
  2. Step 2: Convert to fraction form
    17,605.65/26,416.95 = 10,940.34/x
  3. Step 3: Cross multiply
    17,605.65x = 26,416.95 × 10,940.34
  4. Step 4: Simplify right side
    17,605.65x = 289,010,414.76
  5. Step 5: Solve for x
    x = 289,010,414.76/17,605.65
  6. Step 6: Final answer
    x = 16,415.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.