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Finding the Fourth Proportional to 53,236.76, 73,464.24 and 30,560

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Solution

The fourth proportional to 53,236.76, 73,464.24 and 30,560 is: 42,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,236.76 : 73,464.24 = 30,560 : x
  2. Step 2: Convert to fraction form
    53,236.76/73,464.24 = 30,560/x
  3. Step 3: Cross multiply
    53,236.76x = 73,464.24 × 30,560
  4. Step 4: Simplify right side
    53,236.76x = 2,245,067,174.40
  5. Step 5: Solve for x
    x = 2,245,067,174.40/53,236.76
  6. Step 6: Final answer
    x = 42,171.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.