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Finding the Fourth Proportional to 17,012.72, 25,509 and 6,612.32

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Solution

The fourth proportional to 17,012.72, 25,509 and 6,612.32 is: 9,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,012.72 : 25,509 = 6,612.32 : x
  2. Step 2: Convert to fraction form
    17,012.72/25,509 = 6,612.32/x
  3. Step 3: Cross multiply
    17,012.72x = 25,509 × 6,612.32
  4. Step 4: Simplify right side
    17,012.72x = 168,673,670.88
  5. Step 5: Solve for x
    x = 168,673,670.88/17,012.72
  6. Step 6: Final answer
    x = 9,914.56

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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.