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Finding the Fourth Proportional to 16,600.80, 24,901.20 and 10,695.90

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Solution

The fourth proportional to 16,600.80, 24,901.20 and 10,695.90 is: 16,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,600.80 : 24,901.20 = 10,695.90 : x
  2. Step 2: Convert to fraction form
    16,600.80/24,901.20 = 10,695.90/x
  3. Step 3: Cross multiply
    16,600.80x = 24,901.20 × 10,695.90
  4. Step 4: Simplify right side
    16,600.80x = 266,340,745.08
  5. Step 5: Solve for x
    x = 266,340,745.08/16,600.80
  6. Step 6: Final answer
    x = 16,043.85

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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.