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Finding the Fourth Proportional to 16,091.80, 24,137.70 and 12,203.80

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Solution

The fourth proportional to 16,091.80, 24,137.70 and 12,203.80 is: 18,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,091.80 : 24,137.70 = 12,203.80 : x
  2. Step 2: Convert to fraction form
    16,091.80/24,137.70 = 12,203.80/x
  3. Step 3: Cross multiply
    16,091.80x = 24,137.70 × 12,203.80
  4. Step 4: Simplify right side
    16,091.80x = 294,571,663.26
  5. Step 5: Solve for x
    x = 294,571,663.26/16,091.80
  6. Step 6: Final answer
    x = 18,305.70

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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.