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Finding the Fourth Proportional to 17,108.57, 25,678.99 and 8,794.42

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Solution

The fourth proportional to 17,108.57, 25,678.99 and 8,794.42 is: 13,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.57 : 25,678.99 = 8,794.42 : x
  2. Step 2: Convert to fraction form
    17,108.57/25,678.99 = 8,794.42/x
  3. Step 3: Cross multiply
    17,108.57x = 25,678.99 × 8,794.42
  4. Step 4: Simplify right side
    17,108.57x = 225,831,823.24
  5. Step 5: Solve for x
    x = 225,831,823.24/17,108.57
  6. Step 6: Final answer
    x = 13,199.93

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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.