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Finding the Fourth Proportional to 6,261.92, 8,641.74 and 3,467.48

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Solution

The fourth proportional to 6,261.92, 8,641.74 and 3,467.48 is: 4,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.92 : 8,641.74 = 3,467.48 : x
  2. Step 2: Convert to fraction form
    6,261.92/8,641.74 = 3,467.48/x
  3. Step 3: Cross multiply
    6,261.92x = 8,641.74 × 3,467.48
  4. Step 4: Simplify right side
    6,261.92x = 29,965,060.62
  5. Step 5: Solve for x
    x = 29,965,060.62/6,261.92
  6. Step 6: Final answer
    x = 4,785.28

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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.