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Finding the Fourth Proportional to 33,432, 50,150.43 and 12,655.50

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Solution

The fourth proportional to 33,432, 50,150.43 and 12,655.50 is: 18,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,432 : 50,150.43 = 12,655.50 : x
  2. Step 2: Convert to fraction form
    33,432/50,150.43 = 12,655.50/x
  3. Step 3: Cross multiply
    33,432x = 50,150.43 × 12,655.50
  4. Step 4: Simplify right side
    33,432x = 634,678,766.87
  5. Step 5: Solve for x
    x = 634,678,766.87/33,432
  6. Step 6: Final answer
    x = 18,984.17

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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.