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Finding the Fourth Proportional to 50,751.74, 76,134.90 and 15,694.13

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Solution

The fourth proportional to 50,751.74, 76,134.90 and 15,694.13 is: 23,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,751.74 : 76,134.90 = 15,694.13 : x
  2. Step 2: Convert to fraction form
    50,751.74/76,134.90 = 15,694.13/x
  3. Step 3: Cross multiply
    50,751.74x = 76,134.90 × 15,694.13
  4. Step 4: Simplify right side
    50,751.74x = 1,194,870,637.46
  5. Step 5: Solve for x
    x = 1,194,870,637.46/50,751.74
  6. Step 6: Final answer
    x = 23,543.44

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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.