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Finding the Fourth Proportional to 57,336.68, 79,124.82 and 31,843.11

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Solution

The fourth proportional to 57,336.68, 79,124.82 and 31,843.11 is: 43,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,336.68 : 79,124.82 = 31,843.11 : x
  2. Step 2: Convert to fraction form
    57,336.68/79,124.82 = 31,843.11/x
  3. Step 3: Cross multiply
    57,336.68x = 79,124.82 × 31,843.11
  4. Step 4: Simplify right side
    57,336.68x = 2,519,580,524.30
  5. Step 5: Solve for x
    x = 2,519,580,524.30/57,336.68
  6. Step 6: Final answer
    x = 43,943.60

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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.