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Finding the Fourth Proportional to 33,236.58, 45,866.58 and 18,129.33

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Solution

The fourth proportional to 33,236.58, 45,866.58 and 18,129.33 is: 25,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,236.58 : 45,866.58 = 18,129.33 : x
  2. Step 2: Convert to fraction form
    33,236.58/45,866.58 = 18,129.33/x
  3. Step 3: Cross multiply
    33,236.58x = 45,866.58 × 18,129.33
  4. Step 4: Simplify right side
    33,236.58x = 831,530,364.79
  5. Step 5: Solve for x
    x = 831,530,364.79/33,236.58
  6. Step 6: Final answer
    x = 25,018.53

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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.