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Finding the Fourth Proportional to 25,361.66, 34,999.06 and 14,183.66

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Solution

The fourth proportional to 25,361.66, 34,999.06 and 14,183.66 is: 19,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,361.66 : 34,999.06 = 14,183.66 : x
  2. Step 2: Convert to fraction form
    25,361.66/34,999.06 = 14,183.66/x
  3. Step 3: Cross multiply
    25,361.66x = 34,999.06 × 14,183.66
  4. Step 4: Simplify right side
    25,361.66x = 496,414,556.91
  5. Step 5: Solve for x
    x = 496,414,556.91/25,361.66
  6. Step 6: Final answer
    x = 19,573.43

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1.5x scale

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.