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Finding the Fourth Proportional to 67,781.86, 93,539.66 and 37,567.85

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Solution

The fourth proportional to 67,781.86, 93,539.66 and 37,567.85 is: 51,844.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,781.86 : 93,539.66 = 37,567.85 : x
  2. Step 2: Convert to fraction form
    67,781.86/93,539.66 = 37,567.85/x
  3. Step 3: Cross multiply
    67,781.86x = 93,539.66 × 37,567.85
  4. Step 4: Simplify right side
    67,781.86x = 3,514,083,997.87
  5. Step 5: Solve for x
    x = 3,514,083,997.87/67,781.86
  6. Step 6: Final answer
    x = 51,844.02

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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.