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Finding the Fourth Proportional to 16,385.99, 24,579.03 and 10,838.30

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Solution

The fourth proportional to 16,385.99, 24,579.03 and 10,838.30 is: 16,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.99 : 24,579.03 = 10,838.30 : x
  2. Step 2: Convert to fraction form
    16,385.99/24,579.03 = 10,838.30/x
  3. Step 3: Cross multiply
    16,385.99x = 24,579.03 × 10,838.30
  4. Step 4: Simplify right side
    16,385.99x = 266,394,900.85
  5. Step 5: Solve for x
    x = 266,394,900.85/16,385.99
  6. Step 6: Final answer
    x = 16,257.48

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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.