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Finding the Fourth Proportional to 64,559.36, 96,843.29 and 17,173.76

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Solution

The fourth proportional to 64,559.36, 96,843.29 and 17,173.76 is: 25,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,559.36 : 96,843.29 = 17,173.76 : x
  2. Step 2: Convert to fraction form
    64,559.36/96,843.29 = 17,173.76/x
  3. Step 3: Cross multiply
    64,559.36x = 96,843.29 × 17,173.76
  4. Step 4: Simplify right side
    64,559.36x = 1,663,162,849.99
  5. Step 5: Solve for x
    x = 1,663,162,849.99/64,559.36
  6. Step 6: Final answer
    x = 25,761.76

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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.