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Finding the Fourth Proportional to 77,885.76, 116,797.92 and 33,515.84

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Solution

The fourth proportional to 77,885.76, 116,797.92 and 33,515.84 is: 50,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,885.76 : 116,797.92 = 33,515.84 : x
  2. Step 2: Convert to fraction form
    77,885.76/116,797.92 = 33,515.84/x
  3. Step 3: Cross multiply
    77,885.76x = 116,797.92 × 33,515.84
  4. Step 4: Simplify right side
    77,885.76x = 3,914,580,399.05
  5. Step 5: Solve for x
    x = 3,914,580,399.05/77,885.76
  6. Step 6: Final answer
    x = 50,260.54

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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.