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Finding the Fourth Proportional to 16,449.66, 24,662.97 and 7,679.34

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Solution

The fourth proportional to 16,449.66, 24,662.97 and 7,679.34 is: 11,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,449.66 : 24,662.97 = 7,679.34 : x
  2. Step 2: Convert to fraction form
    16,449.66/24,662.97 = 7,679.34/x
  3. Step 3: Cross multiply
    16,449.66x = 24,662.97 × 7,679.34
  4. Step 4: Simplify right side
    16,449.66x = 189,395,332.04
  5. Step 5: Solve for x
    x = 189,395,332.04/16,449.66
  6. Step 6: Final answer
    x = 11,513.63

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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.