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Finding the Fourth Proportional to 3,296.92, 4,549.62 and 1,900.12

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Solution

The fourth proportional to 3,296.92, 4,549.62 and 1,900.12 is: 2,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.92 : 4,549.62 = 1,900.12 : x
  2. Step 2: Convert to fraction form
    3,296.92/4,549.62 = 1,900.12/x
  3. Step 3: Cross multiply
    3,296.92x = 4,549.62 × 1,900.12
  4. Step 4: Simplify right side
    3,296.92x = 8,644,823.95
  5. Step 5: Solve for x
    x = 8,644,823.95/3,296.92
  6. Step 6: Final answer
    x = 2,622.09

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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.