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Finding the Fourth Proportional to 38,500.50, 57,773.79 and 16,612.50

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Solution

The fourth proportional to 38,500.50, 57,773.79 and 16,612.50 is: 24,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,500.50 : 57,773.79 = 16,612.50 : x
  2. Step 2: Convert to fraction form
    38,500.50/57,773.79 = 16,612.50/x
  3. Step 3: Cross multiply
    38,500.50x = 57,773.79 × 16,612.50
  4. Step 4: Simplify right side
    38,500.50x = 959,767,086.38
  5. Step 5: Solve for x
    x = 959,767,086.38/38,500.50
  6. Step 6: Final answer
    x = 24,928.69

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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.