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Finding the Fourth Proportional to 48,504.40, 72,627 and 27,699.28

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Solution

The fourth proportional to 48,504.40, 72,627 and 27,699.28 is: 41,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,504.40 : 72,627 = 27,699.28 : x
  2. Step 2: Convert to fraction form
    48,504.40/72,627 = 27,699.28/x
  3. Step 3: Cross multiply
    48,504.40x = 72,627 × 27,699.28
  4. Step 4: Simplify right side
    48,504.40x = 2,011,715,608.56
  5. Step 5: Solve for x
    x = 2,011,715,608.56/48,504.40
  6. Step 6: Final answer
    x = 41,474.91

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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.