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Finding the Fourth Proportional to 64,561.50, 96,845.91 and 23,008.50

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Solution

The fourth proportional to 64,561.50, 96,845.91 and 23,008.50 is: 34,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,561.50 : 96,845.91 = 23,008.50 : x
  2. Step 2: Convert to fraction form
    64,561.50/96,845.91 = 23,008.50/x
  3. Step 3: Cross multiply
    64,561.50x = 96,845.91 × 23,008.50
  4. Step 4: Simplify right side
    64,561.50x = 2,228,279,120.24
  5. Step 5: Solve for x
    x = 2,228,279,120.24/64,561.50
  6. Step 6: Final answer
    x = 34,514.05

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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.