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Finding the Fourth Proportional to 67,900.48, 93,722.64 and 44,028.64

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Solution

The fourth proportional to 67,900.48, 93,722.64 and 44,028.64 is: 60,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,900.48 : 93,722.64 = 44,028.64 : x
  2. Step 2: Convert to fraction form
    67,900.48/93,722.64 = 44,028.64/x
  3. Step 3: Cross multiply
    67,900.48x = 93,722.64 × 44,028.64
  4. Step 4: Simplify right side
    67,900.48x = 4,126,480,376.41
  5. Step 5: Solve for x
    x = 4,126,480,376.41/67,900.48
  6. Step 6: Final answer
    x = 60,772.48

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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.