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Finding the Fourth Proportional to 2,755.92, 4,135.68 and 2,573.70

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Solution

The fourth proportional to 2,755.92, 4,135.68 and 2,573.70 is: 3,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.92 : 4,135.68 = 2,573.70 : x
  2. Step 2: Convert to fraction form
    2,755.92/4,135.68 = 2,573.70/x
  3. Step 3: Cross multiply
    2,755.92x = 4,135.68 × 2,573.70
  4. Step 4: Simplify right side
    2,755.92x = 10,643,999.62
  5. Step 5: Solve for x
    x = 10,643,999.62/2,755.92
  6. Step 6: Final answer
    x = 3,862.23

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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.