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Finding the Fourth Proportional to 17,108.91, 25,671.49 and 11,852.01

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Solution

The fourth proportional to 17,108.91, 25,671.49 and 11,852.01 is: 17,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.91 : 25,671.49 = 11,852.01 : x
  2. Step 2: Convert to fraction form
    17,108.91/25,671.49 = 11,852.01/x
  3. Step 3: Cross multiply
    17,108.91x = 25,671.49 × 11,852.01
  4. Step 4: Simplify right side
    17,108.91x = 304,258,726.56
  5. Step 5: Solve for x
    x = 304,258,726.56/17,108.91
  6. Step 6: Final answer
    x = 17,783.64

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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.