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Finding the Fourth Proportional to 29,442.99, 44,149.71 and 13,634.43

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Solution

The fourth proportional to 29,442.99, 44,149.71 and 13,634.43 is: 20,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442.99 : 44,149.71 = 13,634.43 : x
  2. Step 2: Convert to fraction form
    29,442.99/44,149.71 = 13,634.43/x
  3. Step 3: Cross multiply
    29,442.99x = 44,149.71 × 13,634.43
  4. Step 4: Simplify right side
    29,442.99x = 601,955,939.39
  5. Step 5: Solve for x
    x = 601,955,939.39/29,442.99
  6. Step 6: Final answer
    x = 20,444.79

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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.