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Finding the Fourth Proportional to 73,994.94, 110,991.66 and 31,904.76

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Solution

The fourth proportional to 73,994.94, 110,991.66 and 31,904.76 is: 47,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,994.94 : 110,991.66 = 31,904.76 : x
  2. Step 2: Convert to fraction form
    73,994.94/110,991.66 = 31,904.76/x
  3. Step 3: Cross multiply
    73,994.94x = 110,991.66 × 31,904.76
  4. Step 4: Simplify right side
    73,994.94x = 3,541,162,274.30
  5. Step 5: Solve for x
    x = 3,541,162,274.30/73,994.94
  6. Step 6: Final answer
    x = 47,856.82

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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.