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Finding the Fourth Proportional to 33,017.92, 45,559.92 and 18,868

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Solution

The fourth proportional to 33,017.92, 45,559.92 and 18,868 is: 26,035.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,017.92 : 45,559.92 = 18,868 : x
  2. Step 2: Convert to fraction form
    33,017.92/45,559.92 = 18,868/x
  3. Step 3: Cross multiply
    33,017.92x = 45,559.92 × 18,868
  4. Step 4: Simplify right side
    33,017.92x = 859,624,570.56
  5. Step 5: Solve for x
    x = 859,624,570.56/33,017.92
  6. Step 6: Final answer
    x = 26,035.09

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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.