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Finding the Fourth Proportional to 16,375.40, 24,571.10 and 7,605.80

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Solution

The fourth proportional to 16,375.40, 24,571.10 and 7,605.80 is: 11,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,375.40 : 24,571.10 = 7,605.80 : x
  2. Step 2: Convert to fraction form
    16,375.40/24,571.10 = 7,605.80/x
  3. Step 3: Cross multiply
    16,375.40x = 24,571.10 × 7,605.80
  4. Step 4: Simplify right side
    16,375.40x = 186,882,872.38
  5. Step 5: Solve for x
    x = 186,882,872.38/16,375.40
  6. Step 6: Final answer
    x = 11,412.42

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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.