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Finding the Fourth Proportional to 40,755.78, 56,242.97 and 22,850.78

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Solution

The fourth proportional to 40,755.78, 56,242.97 and 22,850.78 is: 31,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,755.78 : 56,242.97 = 22,850.78 : x
  2. Step 2: Convert to fraction form
    40,755.78/56,242.97 = 22,850.78/x
  3. Step 3: Cross multiply
    40,755.78x = 56,242.97 × 22,850.78
  4. Step 4: Simplify right side
    40,755.78x = 1,285,195,869.14
  5. Step 5: Solve for x
    x = 1,285,195,869.14/40,755.78
  6. Step 6: Final answer
    x = 31,534.08

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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.