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Finding the Fourth Proportional to 70,027.65, 96,629.04 and 39,812.33

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Solution

The fourth proportional to 70,027.65, 96,629.04 and 39,812.33 is: 54,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,027.65 : 96,629.04 = 39,812.33 : x
  2. Step 2: Convert to fraction form
    70,027.65/96,629.04 = 39,812.33/x
  3. Step 3: Cross multiply
    70,027.65x = 96,629.04 × 39,812.33
  4. Step 4: Simplify right side
    70,027.65x = 3,847,027,469.64
  5. Step 5: Solve for x
    x = 3,847,027,469.64/70,027.65
  6. Step 6: Final answer
    x = 54,935.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.