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Finding the Fourth Proportional to 17,361.15, 25,889.27 and 17,203.28

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Solution

The fourth proportional to 17,361.15, 25,889.27 and 17,203.28 is: 25,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.15 : 25,889.27 = 17,203.28 : x
  2. Step 2: Convert to fraction form
    17,361.15/25,889.27 = 17,203.28/x
  3. Step 3: Cross multiply
    17,361.15x = 25,889.27 × 17,203.28
  4. Step 4: Simplify right side
    17,361.15x = 445,380,274.37
  5. Step 5: Solve for x
    x = 445,380,274.37/17,361.15
  6. Step 6: Final answer
    x = 25,653.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.