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Finding the Fourth Proportional to 16,991.94, 25,487.91 and 5,901.42

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Solution

The fourth proportional to 16,991.94, 25,487.91 and 5,901.42 is: 8,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.94 : 25,487.91 = 5,901.42 : x
  2. Step 2: Convert to fraction form
    16,991.94/25,487.91 = 5,901.42/x
  3. Step 3: Cross multiply
    16,991.94x = 25,487.91 × 5,901.42
  4. Step 4: Simplify right side
    16,991.94x = 150,414,861.83
  5. Step 5: Solve for x
    x = 150,414,861.83/16,991.94
  6. Step 6: Final answer
    x = 8,852.13

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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.