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Finding the Fourth Proportional to 53,361.36, 80,039.14 and 27,065.41

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Solution

The fourth proportional to 53,361.36, 80,039.14 and 27,065.41 is: 40,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,361.36 : 80,039.14 = 27,065.41 : x
  2. Step 2: Convert to fraction form
    53,361.36/80,039.14 = 27,065.41/x
  3. Step 3: Cross multiply
    53,361.36x = 80,039.14 × 27,065.41
  4. Step 4: Simplify right side
    53,361.36x = 2,166,292,140.15
  5. Step 5: Solve for x
    x = 2,166,292,140.15/53,361.36
  6. Step 6: Final answer
    x = 40,596.64

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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.