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Finding the Fourth Proportional to 67,975.64, 93,805.11 and 37,760.66

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Solution

The fourth proportional to 67,975.64, 93,805.11 and 37,760.66 is: 52,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,975.64 : 93,805.11 = 37,760.66 : x
  2. Step 2: Convert to fraction form
    67,975.64/93,805.11 = 37,760.66/x
  3. Step 3: Cross multiply
    67,975.64x = 93,805.11 × 37,760.66
  4. Step 4: Simplify right side
    67,975.64x = 3,542,142,395.95
  5. Step 5: Solve for x
    x = 3,542,142,395.95/67,975.64
  6. Step 6: Final answer
    x = 52,109.00

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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.