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Finding the Fourth Proportional to 44,847.93, 67,210.84 and 21,151.78

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Solution

The fourth proportional to 44,847.93, 67,210.84 and 21,151.78 is: 31,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,847.93 : 67,210.84 = 21,151.78 : x
  2. Step 2: Convert to fraction form
    44,847.93/67,210.84 = 21,151.78/x
  3. Step 3: Cross multiply
    44,847.93x = 67,210.84 × 21,151.78
  4. Step 4: Simplify right side
    44,847.93x = 1,421,629,078.28
  5. Step 5: Solve for x
    x = 1,421,629,078.28/44,847.93
  6. Step 6: Final answer
    x = 31,698.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.