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Finding the Fourth Proportional to 40,554, 55,963.94 and 22,649.27

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Solution

The fourth proportional to 40,554, 55,963.94 and 22,649.27 is: 31,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,554 : 55,963.94 = 22,649.27 : x
  2. Step 2: Convert to fraction form
    40,554/55,963.94 = 22,649.27/x
  3. Step 3: Cross multiply
    40,554x = 55,963.94 × 22,649.27
  4. Step 4: Simplify right side
    40,554x = 1,267,541,994.26
  5. Step 5: Solve for x
    x = 1,267,541,994.26/40,554
  6. Step 6: Final answer
    x = 31,255.66

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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.