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Finding the Fourth Proportional to 57,924.94, 79,943.88 and 32,440.99

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Solution

The fourth proportional to 57,924.94, 79,943.88 and 32,440.99 is: 44,772.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,924.94 : 79,943.88 = 32,440.99 : x
  2. Step 2: Convert to fraction form
    57,924.94/79,943.88 = 32,440.99/x
  3. Step 3: Cross multiply
    57,924.94x = 79,943.88 × 32,440.99
  4. Step 4: Simplify right side
    57,924.94x = 2,593,458,611.64
  5. Step 5: Solve for x
    x = 2,593,458,611.64/57,924.94
  6. Step 6: Final answer
    x = 44,772.75

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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.