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Finding the Fourth Proportional to 2,743.10, 4,114.89 and 893.73

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Solution

The fourth proportional to 2,743.10, 4,114.89 and 893.73 is: 1,340.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.10 : 4,114.89 = 893.73 : x
  2. Step 2: Convert to fraction form
    2,743.10/4,114.89 = 893.73/x
  3. Step 3: Cross multiply
    2,743.10x = 4,114.89 × 893.73
  4. Step 4: Simplify right side
    2,743.10x = 3,677,600.64
  5. Step 5: Solve for x
    x = 3,677,600.64/2,743.10
  6. Step 6: Final answer
    x = 1,340.68

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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.