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Finding the Fourth Proportional to 4,687.92, 7,033.23 and 1,766.43

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Solution

The fourth proportional to 4,687.92, 7,033.23 and 1,766.43 is: 2,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.92 : 7,033.23 = 1,766.43 : x
  2. Step 2: Convert to fraction form
    4,687.92/7,033.23 = 1,766.43/x
  3. Step 3: Cross multiply
    4,687.92x = 7,033.23 × 1,766.43
  4. Step 4: Simplify right side
    4,687.92x = 12,423,708.47
  5. Step 5: Solve for x
    x = 12,423,708.47/4,687.92
  6. Step 6: Final answer
    x = 2,650.15

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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.