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Finding the Fourth Proportional to 17,198.28, 25,798.62 and 6,810

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Solution

The fourth proportional to 17,198.28, 25,798.62 and 6,810 is: 10,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,198.28 : 25,798.62 = 6,810 : x
  2. Step 2: Convert to fraction form
    17,198.28/25,798.62 = 6,810/x
  3. Step 3: Cross multiply
    17,198.28x = 25,798.62 × 6,810
  4. Step 4: Simplify right side
    17,198.28x = 175,688,602.20
  5. Step 5: Solve for x
    x = 175,688,602.20/17,198.28
  6. Step 6: Final answer
    x = 10,215.48

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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.