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Finding the Fourth Proportional to 41,755.76, 62,618.08 and 16,787.40

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Solution

The fourth proportional to 41,755.76, 62,618.08 and 16,787.40 is: 25,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,755.76 : 62,618.08 = 16,787.40 : x
  2. Step 2: Convert to fraction form
    41,755.76/62,618.08 = 16,787.40/x
  3. Step 3: Cross multiply
    41,755.76x = 62,618.08 × 16,787.40
  4. Step 4: Simplify right side
    41,755.76x = 1,051,194,756.19
  5. Step 5: Solve for x
    x = 1,051,194,756.19/41,755.76
  6. Step 6: Final answer
    x = 25,174.84

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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.