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Finding the Fourth Proportional to 2,650.91, 3,654.05 and 2,436.53

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Solution

The fourth proportional to 2,650.91, 3,654.05 and 2,436.53 is: 3,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.91 : 3,654.05 = 2,436.53 : x
  2. Step 2: Convert to fraction form
    2,650.91/3,654.05 = 2,436.53/x
  3. Step 3: Cross multiply
    2,650.91x = 3,654.05 × 2,436.53
  4. Step 4: Simplify right side
    2,650.91x = 8,903,171.99
  5. Step 5: Solve for x
    x = 8,903,171.99/2,650.91
  6. Step 6: Final answer
    x = 3,358.54

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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.