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Finding the Fourth Proportional to 34,617.76, 51,905.88 and 15,874.32

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Solution

The fourth proportional to 34,617.76, 51,905.88 and 15,874.32 is: 23,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,617.76 : 51,905.88 = 15,874.32 : x
  2. Step 2: Convert to fraction form
    34,617.76/51,905.88 = 15,874.32/x
  3. Step 3: Cross multiply
    34,617.76x = 51,905.88 × 15,874.32
  4. Step 4: Simplify right side
    34,617.76x = 823,970,608.53
  5. Step 5: Solve for x
    x = 823,970,608.53/34,617.76
  6. Step 6: Final answer
    x = 23,801.96

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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.