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Finding the Fourth Proportional to 36,605.52, 50,509.98 and 21,494.57

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Solution

The fourth proportional to 36,605.52, 50,509.98 and 21,494.57 is: 29,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,605.52 : 50,509.98 = 21,494.57 : x
  2. Step 2: Convert to fraction form
    36,605.52/50,509.98 = 21,494.57/x
  3. Step 3: Cross multiply
    36,605.52x = 50,509.98 × 21,494.57
  4. Step 4: Simplify right side
    36,605.52x = 1,085,690,048.26
  5. Step 5: Solve for x
    x = 1,085,690,048.26/36,605.52
  6. Step 6: Final answer
    x = 29,659.19

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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.