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Finding the Fourth Proportional to 64,679.51, 96,995.07 and 22,548.78

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Solution

The fourth proportional to 64,679.51, 96,995.07 and 22,548.78 is: 33,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,679.51 : 96,995.07 = 22,548.78 : x
  2. Step 2: Convert to fraction form
    64,679.51/96,995.07 = 22,548.78/x
  3. Step 3: Cross multiply
    64,679.51x = 96,995.07 × 22,548.78
  4. Step 4: Simplify right side
    64,679.51x = 2,187,120,494.51
  5. Step 5: Solve for x
    x = 2,187,120,494.51/64,679.51
  6. Step 6: Final answer
    x = 33,814.73

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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.