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Finding the Fourth Proportional to 57,950, 79,975.84 and 36,721.52

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Solution

The fourth proportional to 57,950, 79,975.84 and 36,721.52 is: 50,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,950 : 79,975.84 = 36,721.52 : x
  2. Step 2: Convert to fraction form
    57,950/79,975.84 = 36,721.52/x
  3. Step 3: Cross multiply
    57,950x = 79,975.84 × 36,721.52
  4. Step 4: Simplify right side
    57,950x = 2,936,834,408.08
  5. Step 5: Solve for x
    x = 2,936,834,408.08/57,950
  6. Step 6: Final answer
    x = 50,678.76

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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.