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Finding the Fourth Proportional to 45,198.54, 67,798.21 and 11,923.33

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Solution

The fourth proportional to 45,198.54, 67,798.21 and 11,923.33 is: 17,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,198.54 : 67,798.21 = 11,923.33 : x
  2. Step 2: Convert to fraction form
    45,198.54/67,798.21 = 11,923.33/x
  3. Step 3: Cross multiply
    45,198.54x = 67,798.21 × 11,923.33
  4. Step 4: Simplify right side
    45,198.54x = 808,380,431.24
  5. Step 5: Solve for x
    x = 808,380,431.24/45,198.54
  6. Step 6: Final answer
    x = 17,885.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.