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Finding the Fourth Proportional to 64,672.26, 97,007.92 and 16,640.76

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Solution

The fourth proportional to 64,672.26, 97,007.92 and 16,640.76 is: 24,961.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,672.26 : 97,007.92 = 16,640.76 : x
  2. Step 2: Convert to fraction form
    64,672.26/97,007.92 = 16,640.76/x
  3. Step 3: Cross multiply
    64,672.26x = 97,007.92 × 16,640.76
  4. Step 4: Simplify right side
    64,672.26x = 1,614,285,514.82
  5. Step 5: Solve for x
    x = 1,614,285,514.82/64,672.26
  6. Step 6: Final answer
    x = 24,961.02

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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.