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Finding the Fourth Proportional to 29,850.47, 44,760.29 and 8,787.78

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Solution

The fourth proportional to 29,850.47, 44,760.29 and 8,787.78 is: 13,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,850.47 : 44,760.29 = 8,787.78 : x
  2. Step 2: Convert to fraction form
    29,850.47/44,760.29 = 8,787.78/x
  3. Step 3: Cross multiply
    29,850.47x = 44,760.29 × 8,787.78
  4. Step 4: Simplify right side
    29,850.47x = 393,343,369.47
  5. Step 5: Solve for x
    x = 393,343,369.47/29,850.47
  6. Step 6: Final answer
    x = 13,177.13

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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.