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Finding the Fourth Proportional to 17,130.23, 25,694.97 and 7,896.23

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Solution

The fourth proportional to 17,130.23, 25,694.97 and 7,896.23 is: 11,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.23 : 25,694.97 = 7,896.23 : x
  2. Step 2: Convert to fraction form
    17,130.23/25,694.97 = 7,896.23/x
  3. Step 3: Cross multiply
    17,130.23x = 25,694.97 × 7,896.23
  4. Step 4: Simplify right side
    17,130.23x = 202,893,392.96
  5. Step 5: Solve for x
    x = 202,893,392.96/17,130.23
  6. Step 6: Final answer
    x = 11,844.17

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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.