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Finding the Fourth Proportional to 44,312.01, 66,311.88 and 27,679.88

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Solution

The fourth proportional to 44,312.01, 66,311.88 and 27,679.88 is: 41,422.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,312.01 : 66,311.88 = 27,679.88 : x
  2. Step 2: Convert to fraction form
    44,312.01/66,311.88 = 27,679.88/x
  3. Step 3: Cross multiply
    44,312.01x = 66,311.88 × 27,679.88
  4. Step 4: Simplify right side
    44,312.01x = 1,835,504,880.97
  5. Step 5: Solve for x
    x = 1,835,504,880.97/44,312.01
  6. Step 6: Final answer
    x = 41,422.29

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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.