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Finding the Fourth Proportional to 67,278.94, 100,869.09 and 22,893.76

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Solution

The fourth proportional to 67,278.94, 100,869.09 and 22,893.76 is: 34,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,278.94 : 100,869.09 = 22,893.76 : x
  2. Step 2: Convert to fraction form
    67,278.94/100,869.09 = 22,893.76/x
  3. Step 3: Cross multiply
    67,278.94x = 100,869.09 × 22,893.76
  4. Step 4: Simplify right side
    67,278.94x = 2,309,272,737.88
  5. Step 5: Solve for x
    x = 2,309,272,737.88/67,278.94
  6. Step 6: Final answer
    x = 34,323.86

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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.