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Finding the Fourth Proportional to 64,269, 96,404.76 and 17,523.09

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Solution

The fourth proportional to 64,269, 96,404.76 and 17,523.09 is: 26,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,269 : 96,404.76 = 17,523.09 : x
  2. Step 2: Convert to fraction form
    64,269/96,404.76 = 17,523.09/x
  3. Step 3: Cross multiply
    64,269x = 96,404.76 × 17,523.09
  4. Step 4: Simplify right side
    64,269x = 1,689,309,285.91
  5. Step 5: Solve for x
    x = 1,689,309,285.91/64,269
  6. Step 6: Final answer
    x = 26,284.98

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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.