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Finding the Fourth Proportional to 65,377.50, 98,118.79 and 33,796.85

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Solution

The fourth proportional to 65,377.50, 98,118.79 and 33,796.85 is: 50,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,377.50 : 98,118.79 = 33,796.85 : x
  2. Step 2: Convert to fraction form
    65,377.50/98,118.79 = 33,796.85/x
  3. Step 3: Cross multiply
    65,377.50x = 98,118.79 × 33,796.85
  4. Step 4: Simplify right side
    65,377.50x = 3,316,106,027.81
  5. Step 5: Solve for x
    x = 3,316,106,027.81/65,377.50
  6. Step 6: Final answer
    x = 50,722.44

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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.