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Finding the Fourth Proportional to 8,258.54, 11,396.80 and 4,481.71

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Solution

The fourth proportional to 8,258.54, 11,396.80 and 4,481.71 is: 6,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.54 : 11,396.80 = 4,481.71 : x
  2. Step 2: Convert to fraction form
    8,258.54/11,396.80 = 4,481.71/x
  3. Step 3: Cross multiply
    8,258.54x = 11,396.80 × 4,481.71
  4. Step 4: Simplify right side
    8,258.54x = 51,077,104.43
  5. Step 5: Solve for x
    x = 51,077,104.43/8,258.54
  6. Step 6: Final answer
    x = 6,184.76

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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.