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Finding the Fourth Proportional to 44,160.96, 66,241.44 and 25,680

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Solution

The fourth proportional to 44,160.96, 66,241.44 and 25,680 is: 38,520

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,160.96 : 66,241.44 = 25,680 : x
  2. Step 2: Convert to fraction form
    44,160.96/66,241.44 = 25,680/x
  3. Step 3: Cross multiply
    44,160.96x = 66,241.44 × 25,680
  4. Step 4: Simplify right side
    44,160.96x = 1,701,080,179.20
  5. Step 5: Solve for x
    x = 1,701,080,179.20/44,160.96
  6. Step 6: Final answer
    x = 38,520

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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.