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Finding the Fourth Proportional to 68,007.68, 93,844.62 and 37,791.09

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Solution

The fourth proportional to 68,007.68, 93,844.62 and 37,791.09 is: 52,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,007.68 : 93,844.62 = 37,791.09 : x
  2. Step 2: Convert to fraction form
    68,007.68/93,844.62 = 37,791.09/x
  3. Step 3: Cross multiply
    68,007.68x = 93,844.62 × 37,791.09
  4. Step 4: Simplify right side
    68,007.68x = 3,546,490,480.44
  5. Step 5: Solve for x
    x = 3,546,490,480.44/68,007.68
  6. Step 6: Final answer
    x = 52,148.39

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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.