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Finding the Fourth Proportional to 33,040.98, 45,604.44 and 18,901.98

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Solution

The fourth proportional to 33,040.98, 45,604.44 and 18,901.98 is: 26,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,040.98 : 45,604.44 = 18,901.98 : x
  2. Step 2: Convert to fraction form
    33,040.98/45,604.44 = 18,901.98/x
  3. Step 3: Cross multiply
    33,040.98x = 45,604.44 × 18,901.98
  4. Step 4: Simplify right side
    33,040.98x = 862,014,212.79
  5. Step 5: Solve for x
    x = 862,014,212.79/33,040.98
  6. Step 6: Final answer
    x = 26,089.24

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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.