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Finding the Fourth Proportional to 50,783.96, 76,188.23 and 15,245.21

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Solution

The fourth proportional to 50,783.96, 76,188.23 and 15,245.21 is: 22,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,783.96 : 76,188.23 = 15,245.21 : x
  2. Step 2: Convert to fraction form
    50,783.96/76,188.23 = 15,245.21/x
  3. Step 3: Cross multiply
    50,783.96x = 76,188.23 × 15,245.21
  4. Step 4: Simplify right side
    50,783.96x = 1,161,505,108.71
  5. Step 5: Solve for x
    x = 1,161,505,108.71/50,783.96
  6. Step 6: Final answer
    x = 22,871.50

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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.