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Finding the Fourth Proportional to 73,604.52, 110,425.32 and 21,014.64

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Solution

The fourth proportional to 73,604.52, 110,425.32 and 21,014.64 is: 31,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,604.52 : 110,425.32 = 21,014.64 : x
  2. Step 2: Convert to fraction form
    73,604.52/110,425.32 = 21,014.64/x
  3. Step 3: Cross multiply
    73,604.52x = 110,425.32 × 21,014.64
  4. Step 4: Simplify right side
    73,604.52x = 2,320,548,346.68
  5. Step 5: Solve for x
    x = 2,320,548,346.68/73,604.52
  6. Step 6: Final answer
    x = 31,527.25

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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.