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Finding the Fourth Proportional to 64,789.82, 97,184.34 and 16,758.43

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Solution

The fourth proportional to 64,789.82, 97,184.34 and 16,758.43 is: 25,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,789.82 : 97,184.34 = 16,758.43 : x
  2. Step 2: Convert to fraction form
    64,789.82/97,184.34 = 16,758.43/x
  3. Step 3: Cross multiply
    64,789.82x = 97,184.34 × 16,758.43
  4. Step 4: Simplify right side
    64,789.82x = 1,628,656,876.26
  5. Step 5: Solve for x
    x = 1,628,656,876.26/64,789.82
  6. Step 6: Final answer
    x = 25,137.54

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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.