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Finding the Fourth Proportional to 67,489.86, 93,136.71 and 37,275.96

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Solution

The fourth proportional to 67,489.86, 93,136.71 and 37,275.96 is: 51,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,489.86 : 93,136.71 = 37,275.96 : x
  2. Step 2: Convert to fraction form
    67,489.86/93,136.71 = 37,275.96/x
  3. Step 3: Cross multiply
    67,489.86x = 93,136.71 × 37,275.96
  4. Step 4: Simplify right side
    67,489.86x = 3,471,760,276.49
  5. Step 5: Solve for x
    x = 3,471,760,276.49/67,489.86
  6. Step 6: Final answer
    x = 51,441.21

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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.