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Finding the Fourth Proportional to 17,998.23, 27,007.07 and 8,764.23

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Solution

The fourth proportional to 17,998.23, 27,007.07 and 8,764.23 is: 13,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.23 : 27,007.07 = 8,764.23 : x
  2. Step 2: Convert to fraction form
    17,998.23/27,007.07 = 8,764.23/x
  3. Step 3: Cross multiply
    17,998.23x = 27,007.07 × 8,764.23
  4. Step 4: Simplify right side
    17,998.23x = 236,696,129.28
  5. Step 5: Solve for x
    x = 236,696,129.28/17,998.23
  6. Step 6: Final answer
    x = 13,151.08

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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.