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Finding the Fourth Proportional to 3,163.52, 4,766.70 and 2,627.70

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Solution

The fourth proportional to 3,163.52, 4,766.70 and 2,627.70 is: 3,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.52 : 4,766.70 = 2,627.70 : x
  2. Step 2: Convert to fraction form
    3,163.52/4,766.70 = 2,627.70/x
  3. Step 3: Cross multiply
    3,163.52x = 4,766.70 × 2,627.70
  4. Step 4: Simplify right side
    3,163.52x = 12,525,457.59
  5. Step 5: Solve for x
    x = 12,525,457.59/3,163.52
  6. Step 6: Final answer
    x = 3,959.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.