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Finding the Fourth Proportional to 16,242.63, 24,363.96 and 3,930.63

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Solution

The fourth proportional to 16,242.63, 24,363.96 and 3,930.63 is: 5,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,242.63 : 24,363.96 = 3,930.63 : x
  2. Step 2: Convert to fraction form
    16,242.63/24,363.96 = 3,930.63/x
  3. Step 3: Cross multiply
    16,242.63x = 24,363.96 × 3,930.63
  4. Step 4: Simplify right side
    16,242.63x = 95,765,712.09
  5. Step 5: Solve for x
    x = 95,765,712.09/16,242.63
  6. Step 6: Final answer
    x = 5,895.95

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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.