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Finding the Fourth Proportional to 57,726.80, 79,664.04 and 32,571.44

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Solution

The fourth proportional to 57,726.80, 79,664.04 and 32,571.44 is: 44,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,726.80 : 79,664.04 = 32,571.44 : x
  2. Step 2: Convert to fraction form
    57,726.80/79,664.04 = 32,571.44/x
  3. Step 3: Cross multiply
    57,726.80x = 79,664.04 × 32,571.44
  4. Step 4: Simplify right side
    57,726.80x = 2,594,772,499.02
  5. Step 5: Solve for x
    x = 2,594,772,499.02/57,726.80
  6. Step 6: Final answer
    x = 44,949.18

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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.