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Finding the Fourth Proportional to 40,644.25, 56,091.25 and 22,738.19

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Solution

The fourth proportional to 40,644.25, 56,091.25 and 22,738.19 is: 31,379.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,644.25 : 56,091.25 = 22,738.19 : x
  2. Step 2: Convert to fraction form
    40,644.25/56,091.25 = 22,738.19/x
  3. Step 3: Cross multiply
    40,644.25x = 56,091.25 × 22,738.19
  4. Step 4: Simplify right side
    40,644.25x = 1,275,413,372.88
  5. Step 5: Solve for x
    x = 1,275,413,372.88/40,644.25
  6. Step 6: Final answer
    x = 31,379.92

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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.