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Finding the Fourth Proportional to 58,369.52, 80,515.01 and 36,821.21

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Solution

The fourth proportional to 58,369.52, 80,515.01 and 36,821.21 is: 50,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,369.52 : 80,515.01 = 36,821.21 : x
  2. Step 2: Convert to fraction form
    58,369.52/80,515.01 = 36,821.21/x
  3. Step 3: Cross multiply
    58,369.52x = 80,515.01 × 36,821.21
  4. Step 4: Simplify right side
    58,369.52x = 2,964,659,504.68
  5. Step 5: Solve for x
    x = 2,964,659,504.68/58,369.52
  6. Step 6: Final answer
    x = 50,791.23

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1.5x scale

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.