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Finding the Fourth Proportional to 64,447.45, 96,675.78 and 26,969.79

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Solution

The fourth proportional to 64,447.45, 96,675.78 and 26,969.79 is: 40,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,447.45 : 96,675.78 = 26,969.79 : x
  2. Step 2: Convert to fraction form
    64,447.45/96,675.78 = 26,969.79/x
  3. Step 3: Cross multiply
    64,447.45x = 96,675.78 × 26,969.79
  4. Step 4: Simplify right side
    64,447.45x = 2,607,325,484.69
  5. Step 5: Solve for x
    x = 2,607,325,484.69/64,447.45
  6. Step 6: Final answer
    x = 40,456.61

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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.