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Finding the Fourth Proportional to 11,448.48, 15,797.84 and 6,480.48

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Solution

The fourth proportional to 11,448.48, 15,797.84 and 6,480.48 is: 8,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.48 : 15,797.84 = 6,480.48 : x
  2. Step 2: Convert to fraction form
    11,448.48/15,797.84 = 6,480.48/x
  3. Step 3: Cross multiply
    11,448.48x = 15,797.84 × 6,480.48
  4. Step 4: Simplify right side
    11,448.48x = 102,377,586.16
  5. Step 5: Solve for x
    x = 102,377,586.16/11,448.48
  6. Step 6: Final answer
    x = 8,942.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.