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Finding the Fourth Proportional to 64,007.88, 95,965.26 and 30,261.96

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Solution

The fourth proportional to 64,007.88, 95,965.26 and 30,261.96 is: 45,370.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,007.88 : 95,965.26 = 30,261.96 : x
  2. Step 2: Convert to fraction form
    64,007.88/95,965.26 = 30,261.96/x
  3. Step 3: Cross multiply
    64,007.88x = 95,965.26 × 30,261.96
  4. Step 4: Simplify right side
    64,007.88x = 2,904,096,859.51
  5. Step 5: Solve for x
    x = 2,904,096,859.51/64,007.88
  6. Step 6: Final answer
    x = 45,370.93

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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.