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Finding the Fourth Proportional to 68,007.90, 93,849.01 and 37,791.77

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Solution

The fourth proportional to 68,007.90, 93,849.01 and 37,791.77 is: 52,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,007.90 : 93,849.01 = 37,791.77 : x
  2. Step 2: Convert to fraction form
    68,007.90/93,849.01 = 37,791.77/x
  3. Step 3: Cross multiply
    68,007.90x = 93,849.01 × 37,791.77
  4. Step 4: Simplify right side
    68,007.90x = 3,546,719,636.92
  5. Step 5: Solve for x
    x = 3,546,719,636.92/68,007.90
  6. Step 6: Final answer
    x = 52,151.58

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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.