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Finding the Fourth Proportional to 60,129.42, 90,107.84 and 33,778.70

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Solution

The fourth proportional to 60,129.42, 90,107.84 and 33,778.70 is: 50,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,129.42 : 90,107.84 = 33,778.70 : x
  2. Step 2: Convert to fraction form
    60,129.42/90,107.84 = 33,778.70/x
  3. Step 3: Cross multiply
    60,129.42x = 90,107.84 × 33,778.70
  4. Step 4: Simplify right side
    60,129.42x = 3,043,725,695.01
  5. Step 5: Solve for x
    x = 3,043,725,695.01/60,129.42
  6. Step 6: Final answer
    x = 50,619.58

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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.