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Finding the Fourth Proportional to 67,934.40, 93,755.40 and 37,725.60

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Solution

The fourth proportional to 67,934.40, 93,755.40 and 37,725.60 is: 52,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,934.40 : 93,755.40 = 37,725.60 : x
  2. Step 2: Convert to fraction form
    67,934.40/93,755.40 = 37,725.60/x
  3. Step 3: Cross multiply
    67,934.40x = 93,755.40 × 37,725.60
  4. Step 4: Simplify right side
    67,934.40x = 3,536,978,718.24
  5. Step 5: Solve for x
    x = 3,536,978,718.24/67,934.40
  6. Step 6: Final answer
    x = 52,064.62

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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.