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Finding the Fourth Proportional to 17,052.15, 25,585.97 and 7,687.11

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Solution

The fourth proportional to 17,052.15, 25,585.97 and 7,687.11 is: 11,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,052.15 : 25,585.97 = 7,687.11 : x
  2. Step 2: Convert to fraction form
    17,052.15/25,585.97 = 7,687.11/x
  3. Step 3: Cross multiply
    17,052.15x = 25,585.97 × 7,687.11
  4. Step 4: Simplify right side
    17,052.15x = 196,682,127.41
  5. Step 5: Solve for x
    x = 196,682,127.41/17,052.15
  6. Step 6: Final answer
    x = 11,534.15

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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.