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Finding the Fourth Proportional to 16,672.68, 23,008.02 and 9,220.68

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Solution

The fourth proportional to 16,672.68, 23,008.02 and 9,220.68 is: 12,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.68 : 23,008.02 = 9,220.68 : x
  2. Step 2: Convert to fraction form
    16,672.68/23,008.02 = 9,220.68/x
  3. Step 3: Cross multiply
    16,672.68x = 23,008.02 × 9,220.68
  4. Step 4: Simplify right side
    16,672.68x = 212,149,589.85
  5. Step 5: Solve for x
    x = 212,149,589.85/16,672.68
  6. Step 6: Final answer
    x = 12,724.38

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.