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Finding the Fourth Proportional to 11,935.92, 17,904 and 4,144.96

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Solution

The fourth proportional to 11,935.92, 17,904 and 4,144.96 is: 6,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.92 : 17,904 = 4,144.96 : x
  2. Step 2: Convert to fraction form
    11,935.92/17,904 = 4,144.96/x
  3. Step 3: Cross multiply
    11,935.92x = 17,904 × 4,144.96
  4. Step 4: Simplify right side
    11,935.92x = 74,211,363.84
  5. Step 5: Solve for x
    x = 74,211,363.84/11,935.92
  6. Step 6: Final answer
    x = 6,217.48

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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.