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Finding the Fourth Proportional to 2,682.80, 4,024.20 and 951.08

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Solution

The fourth proportional to 2,682.80, 4,024.20 and 951.08 is: 1,426.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.80 : 4,024.20 = 951.08 : x
  2. Step 2: Convert to fraction form
    2,682.80/4,024.20 = 951.08/x
  3. Step 3: Cross multiply
    2,682.80x = 4,024.20 × 951.08
  4. Step 4: Simplify right side
    2,682.80x = 3,827,336.14
  5. Step 5: Solve for x
    x = 3,827,336.14/2,682.80
  6. Step 6: Final answer
    x = 1,426.62

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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.