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Finding the Fourth Proportional to 17,026.66, 25,555.44 and 8,712.42

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Solution

The fourth proportional to 17,026.66, 25,555.44 and 8,712.42 is: 13,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,026.66 : 25,555.44 = 8,712.42 : x
  2. Step 2: Convert to fraction form
    17,026.66/25,555.44 = 8,712.42/x
  3. Step 3: Cross multiply
    17,026.66x = 25,555.44 × 8,712.42
  4. Step 4: Simplify right side
    17,026.66x = 222,649,726.56
  5. Step 5: Solve for x
    x = 222,649,726.56/17,026.66
  6. Step 6: Final answer
    x = 13,076.54

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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.