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Finding the Fourth Proportional to 17,270.90, 25,771.66 and 15,409.22

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Solution

The fourth proportional to 17,270.90, 25,771.66 and 15,409.22 is: 22,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,270.90 : 25,771.66 = 15,409.22 : x
  2. Step 2: Convert to fraction form
    17,270.90/25,771.66 = 15,409.22/x
  3. Step 3: Cross multiply
    17,270.90x = 25,771.66 × 15,409.22
  4. Step 4: Simplify right side
    17,270.90x = 397,121,199.63
  5. Step 5: Solve for x
    x = 397,121,199.63/17,270.90
  6. Step 6: Final answer
    x = 22,993.65

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.