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Finding the Fourth Proportional to 11,924.78, 17,850.02 and 10,672.78

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Solution

The fourth proportional to 11,924.78, 17,850.02 and 10,672.78 is: 15,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.78 : 17,850.02 = 10,672.78 : x
  2. Step 2: Convert to fraction form
    11,924.78/17,850.02 = 10,672.78/x
  3. Step 3: Cross multiply
    11,924.78x = 17,850.02 × 10,672.78
  4. Step 4: Simplify right side
    11,924.78x = 190,509,336.46
  5. Step 5: Solve for x
    x = 190,509,336.46/11,924.78
  6. Step 6: Final answer
    x = 15,975.92

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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.