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Finding the Fourth Proportional to 11,951.96, 17,851.48 and 10,824.55

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Solution

The fourth proportional to 11,951.96, 17,851.48 and 10,824.55 is: 16,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.96 : 17,851.48 = 10,824.55 : x
  2. Step 2: Convert to fraction form
    11,951.96/17,851.48 = 10,824.55/x
  3. Step 3: Cross multiply
    11,951.96x = 17,851.48 × 10,824.55
  4. Step 4: Simplify right side
    11,951.96x = 193,234,166.14
  5. Step 5: Solve for x
    x = 193,234,166.14/11,951.96
  6. Step 6: Final answer
    x = 16,167.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.