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Finding the Fourth Proportional to 29,978.98, 44,911.23 and 16,791.46

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Solution

The fourth proportional to 29,978.98, 44,911.23 and 16,791.46 is: 25,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,978.98 : 44,911.23 = 16,791.46 : x
  2. Step 2: Convert to fraction form
    29,978.98/44,911.23 = 16,791.46/x
  3. Step 3: Cross multiply
    29,978.98x = 44,911.23 × 16,791.46
  4. Step 4: Simplify right side
    29,978.98x = 754,125,122.10
  5. Step 5: Solve for x
    x = 754,125,122.10/29,978.98
  6. Step 6: Final answer
    x = 25,155.13

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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.