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Finding the Fourth Proportional to 32,788.26, 45,249.84 and 18,645.66

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Solution

The fourth proportional to 32,788.26, 45,249.84 and 18,645.66 is: 25,732.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,788.26 : 45,249.84 = 18,645.66 : x
  2. Step 2: Convert to fraction form
    32,788.26/45,249.84 = 18,645.66/x
  3. Step 3: Cross multiply
    32,788.26x = 45,249.84 × 18,645.66
  4. Step 4: Simplify right side
    32,788.26x = 843,713,131.69
  5. Step 5: Solve for x
    x = 843,713,131.69/32,788.26
  6. Step 6: Final answer
    x = 25,732.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.