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Finding the Fourth Proportional to 30,081.99, 41,512.50 and 16,652.46

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Solution

The fourth proportional to 30,081.99, 41,512.50 and 16,652.46 is: 22,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.99 : 41,512.50 = 16,652.46 : x
  2. Step 2: Convert to fraction form
    30,081.99/41,512.50 = 16,652.46/x
  3. Step 3: Cross multiply
    30,081.99x = 41,512.50 × 16,652.46
  4. Step 4: Simplify right side
    30,081.99x = 691,285,245.75
  5. Step 5: Solve for x
    x = 691,285,245.75/30,081.99
  6. Step 6: Final answer
    x = 22,980.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.