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Finding the Fourth Proportional to 8,796.48, 13,195.28 and 2,640.48

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Solution

The fourth proportional to 8,796.48, 13,195.28 and 2,640.48 is: 3,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.48 : 13,195.28 = 2,640.48 : x
  2. Step 2: Convert to fraction form
    8,796.48/13,195.28 = 2,640.48/x
  3. Step 3: Cross multiply
    8,796.48x = 13,195.28 × 2,640.48
  4. Step 4: Simplify right side
    8,796.48x = 34,841,872.93
  5. Step 5: Solve for x
    x = 34,841,872.93/8,796.48
  6. Step 6: Final answer
    x = 3,960.89

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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.