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Finding the Fourth Proportional to 4,893.72, 6,753.12 and 2,797.98

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Solution

The fourth proportional to 4,893.72, 6,753.12 and 2,797.98 is: 3,861.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.72 : 6,753.12 = 2,797.98 : x
  2. Step 2: Convert to fraction form
    4,893.72/6,753.12 = 2,797.98/x
  3. Step 3: Cross multiply
    4,893.72x = 6,753.12 × 2,797.98
  4. Step 4: Simplify right side
    4,893.72x = 18,895,094.70
  5. Step 5: Solve for x
    x = 18,895,094.70/4,893.72
  6. Step 6: Final answer
    x = 3,861.09

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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.