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Finding the Fourth Proportional to 32,716.44, 45,151.02 and 18,570.20

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Solution

The fourth proportional to 32,716.44, 45,151.02 and 18,570.20 is: 25,628.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,716.44 : 45,151.02 = 18,570.20 : x
  2. Step 2: Convert to fraction form
    32,716.44/45,151.02 = 18,570.20/x
  3. Step 3: Cross multiply
    32,716.44x = 45,151.02 × 18,570.20
  4. Step 4: Simplify right side
    32,716.44x = 838,463,245.85
  5. Step 5: Solve for x
    x = 838,463,245.85/32,716.44
  6. Step 6: Final answer
    x = 25,628.19

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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.