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Finding the Fourth Proportional to 64,469.74, 96,263.39 and 57,762.94

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Solution

The fourth proportional to 64,469.74, 96,263.39 and 57,762.94 is: 86,249.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,469.74 : 96,263.39 = 57,762.94 : x
  2. Step 2: Convert to fraction form
    64,469.74/96,263.39 = 57,762.94/x
  3. Step 3: Cross multiply
    64,469.74x = 96,263.39 × 57,762.94
  4. Step 4: Simplify right side
    64,469.74x = 5,560,456,420.77
  5. Step 5: Solve for x
    x = 5,560,456,420.77/64,469.74
  6. Step 6: Final answer
    x = 86,249.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.