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Finding the Fourth Proportional to 50,800.88, 76,206.72 and 15,743.28

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Solution

The fourth proportional to 50,800.88, 76,206.72 and 15,743.28 is: 23,616.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,800.88 : 76,206.72 = 15,743.28 : x
  2. Step 2: Convert to fraction form
    50,800.88/76,206.72 = 15,743.28/x
  3. Step 3: Cross multiply
    50,800.88x = 76,206.72 × 15,743.28
  4. Step 4: Simplify right side
    50,800.88x = 1,199,743,730.84
  5. Step 5: Solve for x
    x = 1,199,743,730.84/50,800.88
  6. Step 6: Final answer
    x = 23,616.59

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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.