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Finding the Fourth Proportional to 44,671.52, 66,919.64 and 25,912.12

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Solution

The fourth proportional to 44,671.52, 66,919.64 and 25,912.12 is: 38,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,671.52 : 66,919.64 = 25,912.12 : x
  2. Step 2: Convert to fraction form
    44,671.52/66,919.64 = 25,912.12/x
  3. Step 3: Cross multiply
    44,671.52x = 66,919.64 × 25,912.12
  4. Step 4: Simplify right side
    44,671.52x = 1,734,029,742.04
  5. Step 5: Solve for x
    x = 1,734,029,742.04/44,671.52
  6. Step 6: Final answer
    x = 38,817.34

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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.