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Finding the Fourth Proportional to 3,782.52, 5,667.26 and 2,951.22

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Solution

The fourth proportional to 3,782.52, 5,667.26 and 2,951.22 is: 4,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.52 : 5,667.26 = 2,951.22 : x
  2. Step 2: Convert to fraction form
    3,782.52/5,667.26 = 2,951.22/x
  3. Step 3: Cross multiply
    3,782.52x = 5,667.26 × 2,951.22
  4. Step 4: Simplify right side
    3,782.52x = 16,725,331.06
  5. Step 5: Solve for x
    x = 16,725,331.06/3,782.52
  6. Step 6: Final answer
    x = 4,421.74

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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.