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Finding the Fourth Proportional to 17,757.17, 26,610.37 and 13,040.17

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Solution

The fourth proportional to 17,757.17, 26,610.37 and 13,040.17 is: 19,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.17 : 26,610.37 = 13,040.17 : x
  2. Step 2: Convert to fraction form
    17,757.17/26,610.37 = 13,040.17/x
  3. Step 3: Cross multiply
    17,757.17x = 26,610.37 × 13,040.17
  4. Step 4: Simplify right side
    17,757.17x = 347,003,748.56
  5. Step 5: Solve for x
    x = 347,003,748.56/17,757.17
  6. Step 6: Final answer
    x = 19,541.61

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1.5x scale

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.