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Finding the Fourth Proportional to 60,123.60, 90,250.20 and 33,879.60

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Solution

The fourth proportional to 60,123.60, 90,250.20 and 33,879.60 is: 50,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,123.60 : 90,250.20 = 33,879.60 : x
  2. Step 2: Convert to fraction form
    60,123.60/90,250.20 = 33,879.60/x
  3. Step 3: Cross multiply
    60,123.60x = 90,250.20 × 33,879.60
  4. Step 4: Simplify right side
    60,123.60x = 3,057,640,675.92
  5. Step 5: Solve for x
    x = 3,057,640,675.92/60,123.60
  6. Step 6: Final answer
    x = 50,855.91

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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.