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Finding the Fourth Proportional to 32,971.68, 45,500.76 and 18,067.68

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Solution

The fourth proportional to 32,971.68, 45,500.76 and 18,067.68 is: 24,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,971.68 : 45,500.76 = 18,067.68 : x
  2. Step 2: Convert to fraction form
    32,971.68/45,500.76 = 18,067.68/x
  3. Step 3: Cross multiply
    32,971.68x = 45,500.76 × 18,067.68
  4. Step 4: Simplify right side
    32,971.68x = 822,093,171.44
  5. Step 5: Solve for x
    x = 822,093,171.44/32,971.68
  6. Step 6: Final answer
    x = 24,933.31

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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.