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Finding the Fourth Proportional to 29,847.15, 44,755.31 and 8,784.45

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Solution

The fourth proportional to 29,847.15, 44,755.31 and 8,784.45 is: 13,172.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,847.15 : 44,755.31 = 8,784.45 : x
  2. Step 2: Convert to fraction form
    29,847.15/44,755.31 = 8,784.45/x
  3. Step 3: Cross multiply
    29,847.15x = 44,755.31 × 8,784.45
  4. Step 4: Simplify right side
    29,847.15x = 393,150,804.89
  5. Step 5: Solve for x
    x = 393,150,804.89/29,847.15
  6. Step 6: Final answer
    x = 13,172.14

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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.