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Finding the Fourth Proportional to 67,449, 93,079.62 and 37,641

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Solution

The fourth proportional to 67,449, 93,079.62 and 37,641 is: 51,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,449 : 93,079.62 = 37,641 : x
  2. Step 2: Convert to fraction form
    67,449/93,079.62 = 37,641/x
  3. Step 3: Cross multiply
    67,449x = 93,079.62 × 37,641
  4. Step 4: Simplify right side
    67,449x = 3,503,609,976.42
  5. Step 5: Solve for x
    x = 3,503,609,976.42/67,449
  6. Step 6: Final answer
    x = 51,944.58

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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.