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Finding the Fourth Proportional to 29,524.52, 40,755.21 and 21,629.45

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Solution

The fourth proportional to 29,524.52, 40,755.21 and 21,629.45 is: 29,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,524.52 : 40,755.21 = 21,629.45 : x
  2. Step 2: Convert to fraction form
    29,524.52/40,755.21 = 21,629.45/x
  3. Step 3: Cross multiply
    29,524.52x = 40,755.21 × 21,629.45
  4. Step 4: Simplify right side
    29,524.52x = 881,512,776.93
  5. Step 5: Solve for x
    x = 881,512,776.93/29,524.52
  6. Step 6: Final answer
    x = 29,856.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.