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Finding the Fourth Proportional to 67,228.56, 100,859.46 and 27,796.92

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Solution

The fourth proportional to 67,228.56, 100,859.46 and 27,796.92 is: 41,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,228.56 : 100,859.46 = 27,796.92 : x
  2. Step 2: Convert to fraction form
    67,228.56/100,859.46 = 27,796.92/x
  3. Step 3: Cross multiply
    67,228.56x = 100,859.46 × 27,796.92
  4. Step 4: Simplify right side
    67,228.56x = 2,803,582,340.86
  5. Step 5: Solve for x
    x = 2,803,582,340.86/67,228.56
  6. Step 6: Final answer
    x = 41,702.25

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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.