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Finding the Fourth Proportional to 16,646.12, 24,960.82 and 5,548.88

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Solution

The fourth proportional to 16,646.12, 24,960.82 and 5,548.88 is: 8,320.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,646.12 : 24,960.82 = 5,548.88 : x
  2. Step 2: Convert to fraction form
    16,646.12/24,960.82 = 5,548.88/x
  3. Step 3: Cross multiply
    16,646.12x = 24,960.82 × 5,548.88
  4. Step 4: Simplify right side
    16,646.12x = 138,504,594.88
  5. Step 5: Solve for x
    x = 138,504,594.88/16,646.12
  6. Step 6: Final answer
    x = 8,320.53

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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.