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Finding the Fourth Proportional to 34,354.44, 47,405.94 and 19,450.44

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Solution

The fourth proportional to 34,354.44, 47,405.94 and 19,450.44 is: 26,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,354.44 : 47,405.94 = 19,450.44 : x
  2. Step 2: Convert to fraction form
    34,354.44/47,405.94 = 19,450.44/x
  3. Step 3: Cross multiply
    34,354.44x = 47,405.94 × 19,450.44
  4. Step 4: Simplify right side
    34,354.44x = 922,066,391.61
  5. Step 5: Solve for x
    x = 922,066,391.61/34,354.44
  6. Step 6: Final answer
    x = 26,839.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.