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Finding the Fourth Proportional to 33,264.96, 49,896.48 and 8,640.96

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Solution

The fourth proportional to 33,264.96, 49,896.48 and 8,640.96 is: 12,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,264.96 : 49,896.48 = 8,640.96 : x
  2. Step 2: Convert to fraction form
    33,264.96/49,896.48 = 8,640.96/x
  3. Step 3: Cross multiply
    33,264.96x = 49,896.48 × 8,640.96
  4. Step 4: Simplify right side
    33,264.96x = 431,153,487.82
  5. Step 5: Solve for x
    x = 431,153,487.82/33,264.96
  6. Step 6: Final answer
    x = 12,961.19

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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.