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Finding the Fourth Proportional to 67,953.72, 101,872.44 and 25,809.96

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Solution

The fourth proportional to 67,953.72, 101,872.44 and 25,809.96 is: 38,692.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,953.72 : 101,872.44 = 25,809.96 : x
  2. Step 2: Convert to fraction form
    67,953.72/101,872.44 = 25,809.96/x
  3. Step 3: Cross multiply
    67,953.72x = 101,872.44 × 25,809.96
  4. Step 4: Simplify right side
    67,953.72x = 2,629,323,601.50
  5. Step 5: Solve for x
    x = 2,629,323,601.50/67,953.72
  6. Step 6: Final answer
    x = 38,692.86

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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.