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Finding the Fourth Proportional to 57,860.92, 86,715.52 and 32,912.44

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Solution

The fourth proportional to 57,860.92, 86,715.52 and 32,912.44 is: 49,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,860.92 : 86,715.52 = 32,912.44 : x
  2. Step 2: Convert to fraction form
    57,860.92/86,715.52 = 32,912.44/x
  3. Step 3: Cross multiply
    57,860.92x = 86,715.52 × 32,912.44
  4. Step 4: Simplify right side
    57,860.92x = 2,854,019,349.07
  5. Step 5: Solve for x
    x = 2,854,019,349.07/57,860.92
  6. Step 6: Final answer
    x = 49,325.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.