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Finding the Fourth Proportional to 57,764.80, 79,672.75 and 36,523.59

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Solution

The fourth proportional to 57,764.80, 79,672.75 and 36,523.59 is: 50,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,764.80 : 79,672.75 = 36,523.59 : x
  2. Step 2: Convert to fraction form
    57,764.80/79,672.75 = 36,523.59/x
  3. Step 3: Cross multiply
    57,764.80x = 79,672.75 × 36,523.59
  4. Step 4: Simplify right side
    57,764.80x = 2,909,934,855.17
  5. Step 5: Solve for x
    x = 2,909,934,855.17/57,764.80
  6. Step 6: Final answer
    x = 50,375.57

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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.