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Finding the Fourth Proportional to 16,136.70, 24,171.03 and 7,378.98

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Solution

The fourth proportional to 16,136.70, 24,171.03 and 7,378.98 is: 11,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,136.70 : 24,171.03 = 7,378.98 : x
  2. Step 2: Convert to fraction form
    16,136.70/24,171.03 = 7,378.98/x
  3. Step 3: Cross multiply
    16,136.70x = 24,171.03 × 7,378.98
  4. Step 4: Simplify right side
    16,136.70x = 178,357,546.95
  5. Step 5: Solve for x
    x = 178,357,546.95/16,136.70
  6. Step 6: Final answer
    x = 11,052.91

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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.