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Finding the Fourth Proportional to 65,965.99, 91,032.36 and 35,751.37

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Solution

The fourth proportional to 65,965.99, 91,032.36 and 35,751.37 is: 49,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,965.99 : 91,032.36 = 35,751.37 : x
  2. Step 2: Convert to fraction form
    65,965.99/91,032.36 = 35,751.37/x
  3. Step 3: Cross multiply
    65,965.99x = 91,032.36 × 35,751.37
  4. Step 4: Simplify right side
    65,965.99x = 3,254,531,584.33
  5. Step 5: Solve for x
    x = 3,254,531,584.33/65,965.99
  6. Step 6: Final answer
    x = 49,336.51

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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.