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Finding the Fourth Proportional to 16,375.80, 24,563.70 and 9,442.20

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Solution

The fourth proportional to 16,375.80, 24,563.70 and 9,442.20 is: 14,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,375.80 : 24,563.70 = 9,442.20 : x
  2. Step 2: Convert to fraction form
    16,375.80/24,563.70 = 9,442.20/x
  3. Step 3: Cross multiply
    16,375.80x = 24,563.70 × 9,442.20
  4. Step 4: Simplify right side
    16,375.80x = 231,935,368.14
  5. Step 5: Solve for x
    x = 231,935,368.14/16,375.80
  6. Step 6: Final answer
    x = 14,163.30

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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.