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Finding the Fourth Proportional to 32,620.96, 45,016.96 and 17,716.96

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Solution

The fourth proportional to 32,620.96, 45,016.96 and 17,716.96 is: 24,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,620.96 : 45,016.96 = 17,716.96 : x
  2. Step 2: Convert to fraction form
    32,620.96/45,016.96 = 17,716.96/x
  3. Step 3: Cross multiply
    32,620.96x = 45,016.96 × 17,716.96
  4. Step 4: Simplify right side
    32,620.96x = 797,563,679.64
  5. Step 5: Solve for x
    x = 797,563,679.64/32,620.96
  6. Step 6: Final answer
    x = 24,449.42

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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.