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Finding the Fourth Proportional to 4,518.82, 6,813.07 and 4,490.74

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Solution

The fourth proportional to 4,518.82, 6,813.07 and 4,490.74 is: 6,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.82 : 6,813.07 = 4,490.74 : x
  2. Step 2: Convert to fraction form
    4,518.82/6,813.07 = 4,490.74/x
  3. Step 3: Cross multiply
    4,518.82x = 6,813.07 × 4,490.74
  4. Step 4: Simplify right side
    4,518.82x = 30,595,725.97
  5. Step 5: Solve for x
    x = 30,595,725.97/4,518.82
  6. Step 6: Final answer
    x = 6,770.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.