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Finding the Fourth Proportional to 33,309.44, 45,964.32 and 18,405.44

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Solution

The fourth proportional to 33,309.44, 45,964.32 and 18,405.44 is: 25,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.44 : 45,964.32 = 18,405.44 : x
  2. Step 2: Convert to fraction form
    33,309.44/45,964.32 = 18,405.44/x
  3. Step 3: Cross multiply
    33,309.44x = 45,964.32 × 18,405.44
  4. Step 4: Simplify right side
    33,309.44x = 845,993,533.90
  5. Step 5: Solve for x
    x = 845,993,533.90/33,309.44
  6. Step 6: Final answer
    x = 25,398.01

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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.