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Finding the Fourth Proportional to 53,574.21, 80,361.09 and 13,593.57

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Solution

The fourth proportional to 53,574.21, 80,361.09 and 13,593.57 is: 20,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,574.21 : 80,361.09 = 13,593.57 : x
  2. Step 2: Convert to fraction form
    53,574.21/80,361.09 = 13,593.57/x
  3. Step 3: Cross multiply
    53,574.21x = 80,361.09 × 13,593.57
  4. Step 4: Simplify right side
    53,574.21x = 1,092,394,214.64
  5. Step 5: Solve for x
    x = 1,092,394,214.64/53,574.21
  6. Step 6: Final answer
    x = 20,390.30

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1.5x scale

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.