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Finding the Fourth Proportional to 40,504.24, 60,759.24 and 12,802

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Solution

The fourth proportional to 40,504.24, 60,759.24 and 12,802 is: 19,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,504.24 : 60,759.24 = 12,802 : x
  2. Step 2: Convert to fraction form
    40,504.24/60,759.24 = 12,802/x
  3. Step 3: Cross multiply
    40,504.24x = 60,759.24 × 12,802
  4. Step 4: Simplify right side
    40,504.24x = 777,839,790.48
  5. Step 5: Solve for x
    x = 777,839,790.48/40,504.24
  6. Step 6: Final answer
    x = 19,203.91

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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.