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Finding the Fourth Proportional to 67,937.64, 93,756.87 and 37,722.96

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Solution

The fourth proportional to 67,937.64, 93,756.87 and 37,722.96 is: 52,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,937.64 : 93,756.87 = 37,722.96 : x
  2. Step 2: Convert to fraction form
    67,937.64/93,756.87 = 37,722.96/x
  3. Step 3: Cross multiply
    67,937.64x = 93,756.87 × 37,722.96
  4. Step 4: Simplify right side
    67,937.64x = 3,536,786,656.74
  5. Step 5: Solve for x
    x = 3,536,786,656.74/67,937.64
  6. Step 6: Final answer
    x = 52,059.31

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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.