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Finding the Fourth Proportional to 57,578.90, 86,368.34 and 22,493.95

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Solution

The fourth proportional to 57,578.90, 86,368.34 and 22,493.95 is: 33,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,578.90 : 86,368.34 = 22,493.95 : x
  2. Step 2: Convert to fraction form
    57,578.90/86,368.34 = 22,493.95/x
  3. Step 3: Cross multiply
    57,578.90x = 86,368.34 × 22,493.95
  4. Step 4: Simplify right side
    57,578.90x = 1,942,764,961.86
  5. Step 5: Solve for x
    x = 1,942,764,961.86/57,578.90
  6. Step 6: Final answer
    x = 33,740.92

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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.