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Finding the Fourth Proportional to 17,305.63, 25,960.26 and 7,944.05

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Solution

The fourth proportional to 17,305.63, 25,960.26 and 7,944.05 is: 11,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,305.63 : 25,960.26 = 7,944.05 : x
  2. Step 2: Convert to fraction form
    17,305.63/25,960.26 = 7,944.05/x
  3. Step 3: Cross multiply
    17,305.63x = 25,960.26 × 7,944.05
  4. Step 4: Simplify right side
    17,305.63x = 206,229,603.45
  5. Step 5: Solve for x
    x = 206,229,603.45/17,305.63
  6. Step 6: Final answer
    x = 11,916.91

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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.