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Finding the Fourth Proportional to 29,894.90, 44,821.38 and 13,245.90

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Solution

The fourth proportional to 29,894.90, 44,821.38 and 13,245.90 is: 19,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,894.90 : 44,821.38 = 13,245.90 : x
  2. Step 2: Convert to fraction form
    29,894.90/44,821.38 = 13,245.90/x
  3. Step 3: Cross multiply
    29,894.90x = 44,821.38 × 13,245.90
  4. Step 4: Simplify right side
    29,894.90x = 593,699,517.34
  5. Step 5: Solve for x
    x = 593,699,517.34/29,894.90
  6. Step 6: Final answer
    x = 19,859.56

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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.