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Finding the Fourth Proportional to 4,998.80, 6,893.16 and 3,227.60

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Solution

The fourth proportional to 4,998.80, 6,893.16 and 3,227.60 is: 4,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.80 : 6,893.16 = 3,227.60 : x
  2. Step 2: Convert to fraction form
    4,998.80/6,893.16 = 3,227.60/x
  3. Step 3: Cross multiply
    4,998.80x = 6,893.16 × 3,227.60
  4. Step 4: Simplify right side
    4,998.80x = 22,248,363.22
  5. Step 5: Solve for x
    x = 22,248,363.22/4,998.80
  6. Step 6: Final answer
    x = 4,450.74

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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.