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Finding the Fourth Proportional to 17,122.08, 25,684 and 4,811.04

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Solution

The fourth proportional to 17,122.08, 25,684 and 4,811.04 is: 7,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.08 : 25,684 = 4,811.04 : x
  2. Step 2: Convert to fraction form
    17,122.08/25,684 = 4,811.04/x
  3. Step 3: Cross multiply
    17,122.08x = 25,684 × 4,811.04
  4. Step 4: Simplify right side
    17,122.08x = 123,566,751.36
  5. Step 5: Solve for x
    x = 123,566,751.36/17,122.08
  6. Step 6: Final answer
    x = 7,216.81

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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.