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Finding the Fourth Proportional to 2,800.55, 4,197.97 and 951.14

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Solution

The fourth proportional to 2,800.55, 4,197.97 and 951.14 is: 1,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.55 : 4,197.97 = 951.14 : x
  2. Step 2: Convert to fraction form
    2,800.55/4,197.97 = 951.14/x
  3. Step 3: Cross multiply
    2,800.55x = 4,197.97 × 951.14
  4. Step 4: Simplify right side
    2,800.55x = 3,992,868.87
  5. Step 5: Solve for x
    x = 3,992,868.87/2,800.55
  6. Step 6: Final answer
    x = 1,425.74

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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.