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Finding the Fourth Proportional to 66,069.92, 99,092.54 and 30,529.85

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Solution

The fourth proportional to 66,069.92, 99,092.54 and 30,529.85 is: 45,789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069.92 : 99,092.54 = 30,529.85 : x
  2. Step 2: Convert to fraction form
    66,069.92/99,092.54 = 30,529.85/x
  3. Step 3: Cross multiply
    66,069.92x = 99,092.54 × 30,529.85
  4. Step 4: Simplify right side
    66,069.92x = 3,025,279,734.21
  5. Step 5: Solve for x
    x = 3,025,279,734.21/66,069.92
  6. Step 6: Final answer
    x = 45,789.07

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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.