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Finding the Fourth Proportional to 17,193.35, 25,787.82 and 6,656.15

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Solution

The fourth proportional to 17,193.35, 25,787.82 and 6,656.15 is: 9,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,193.35 : 25,787.82 = 6,656.15 : x
  2. Step 2: Convert to fraction form
    17,193.35/25,787.82 = 6,656.15/x
  3. Step 3: Cross multiply
    17,193.35x = 25,787.82 × 6,656.15
  4. Step 4: Simplify right side
    17,193.35x = 171,647,577.55
  5. Step 5: Solve for x
    x = 171,647,577.55/17,193.35
  6. Step 6: Final answer
    x = 9,983.37

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1.5x scale

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.