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Finding the Fourth Proportional to 16,611.48, 24,917.28 and 6,748.47

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Solution

The fourth proportional to 16,611.48, 24,917.28 and 6,748.47 is: 10,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.48 : 24,917.28 = 6,748.47 : x
  2. Step 2: Convert to fraction form
    16,611.48/24,917.28 = 6,748.47/x
  3. Step 3: Cross multiply
    16,611.48x = 24,917.28 × 6,748.47
  4. Step 4: Simplify right side
    16,611.48x = 168,153,516.56
  5. Step 5: Solve for x
    x = 168,153,516.56/16,611.48
  6. Step 6: Final answer
    x = 10,122.73

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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.