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Finding the Fourth Proportional to 4,889.96, 6,748.08 and 2,794.04

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Solution

The fourth proportional to 4,889.96, 6,748.08 and 2,794.04 is: 3,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.96 : 6,748.08 = 2,794.04 : x
  2. Step 2: Convert to fraction form
    4,889.96/6,748.08 = 2,794.04/x
  3. Step 3: Cross multiply
    4,889.96x = 6,748.08 × 2,794.04
  4. Step 4: Simplify right side
    4,889.96x = 18,854,405.44
  5. Step 5: Solve for x
    x = 18,854,405.44/4,889.96
  6. Step 6: Final answer
    x = 3,855.74

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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.