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Finding the Fourth Proportional to 17,698.31, 26,552.09 and 6,605.09

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Solution

The fourth proportional to 17,698.31, 26,552.09 and 6,605.09 is: 9,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,698.31 : 26,552.09 = 6,605.09 : x
  2. Step 2: Convert to fraction form
    17,698.31/26,552.09 = 6,605.09/x
  3. Step 3: Cross multiply
    17,698.31x = 26,552.09 × 6,605.09
  4. Step 4: Simplify right side
    17,698.31x = 175,379,039.66
  5. Step 5: Solve for x
    x = 175,379,039.66/17,698.31
  6. Step 6: Final answer
    x = 9,909.36

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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.