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Finding the Fourth Proportional to 41,107.88, 56,728.92 and 22,245

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Solution

The fourth proportional to 41,107.88, 56,728.92 and 22,245 is: 30,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,107.88 : 56,728.92 = 22,245 : x
  2. Step 2: Convert to fraction form
    41,107.88/56,728.92 = 22,245/x
  3. Step 3: Cross multiply
    41,107.88x = 56,728.92 × 22,245
  4. Step 4: Simplify right side
    41,107.88x = 1,261,934,825.40
  5. Step 5: Solve for x
    x = 1,261,934,825.40/41,107.88
  6. Step 6: Final answer
    x = 30,698.13

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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.