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Finding the Fourth Proportional to 70,997.92, 106,406.38 and 37,733.92

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Solution

The fourth proportional to 70,997.92, 106,406.38 and 37,733.92 is: 56,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,997.92 : 106,406.38 = 37,733.92 : x
  2. Step 2: Convert to fraction form
    70,997.92/106,406.38 = 37,733.92/x
  3. Step 3: Cross multiply
    70,997.92x = 106,406.38 × 37,733.92
  4. Step 4: Simplify right side
    70,997.92x = 4,015,129,830.41
  5. Step 5: Solve for x
    x = 4,015,129,830.41/70,997.92
  6. Step 6: Final answer
    x = 56,552.78

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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.