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Finding the Fourth Proportional to 23,899.96, 35,648.24 and 20,755.24

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Solution

The fourth proportional to 23,899.96, 35,648.24 and 20,755.24 is: 30,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,899.96 : 35,648.24 = 20,755.24 : x
  2. Step 2: Convert to fraction form
    23,899.96/35,648.24 = 20,755.24/x
  3. Step 3: Cross multiply
    23,899.96x = 35,648.24 × 20,755.24
  4. Step 4: Simplify right side
    23,899.96x = 739,887,776.78
  5. Step 5: Solve for x
    x = 739,887,776.78/23,899.96
  6. Step 6: Final answer
    x = 30,957.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.