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Finding the Fourth Proportional to 4,489.74, 6,736.23 and 3,258.54

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Solution

The fourth proportional to 4,489.74, 6,736.23 and 3,258.54 is: 4,888.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.74 : 6,736.23 = 3,258.54 : x
  2. Step 2: Convert to fraction form
    4,489.74/6,736.23 = 3,258.54/x
  3. Step 3: Cross multiply
    4,489.74x = 6,736.23 × 3,258.54
  4. Step 4: Simplify right side
    4,489.74x = 21,950,274.90
  5. Step 5: Solve for x
    x = 21,950,274.90/4,489.74
  6. Step 6: Final answer
    x = 4,888.99

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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.