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Finding the Fourth Proportional to 32,965.48, 45,489.65 and 18,626.56

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Solution

The fourth proportional to 32,965.48, 45,489.65 and 18,626.56 is: 25,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,965.48 : 45,489.65 = 18,626.56 : x
  2. Step 2: Convert to fraction form
    32,965.48/45,489.65 = 18,626.56/x
  3. Step 3: Cross multiply
    32,965.48x = 45,489.65 × 18,626.56
  4. Step 4: Simplify right side
    32,965.48x = 847,315,627.95
  5. Step 5: Solve for x
    x = 847,315,627.95/32,965.48
  6. Step 6: Final answer
    x = 25,703.12

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