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Finding the Fourth Proportional to 18,047.84, 27,048.18 and 13,067.02

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Solution

The fourth proportional to 18,047.84, 27,048.18 and 13,067.02 is: 19,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.84 : 27,048.18 = 13,067.02 : x
  2. Step 2: Convert to fraction form
    18,047.84/27,048.18 = 13,067.02/x
  3. Step 3: Cross multiply
    18,047.84x = 27,048.18 × 13,067.02
  4. Step 4: Simplify right side
    18,047.84x = 353,439,118.33
  5. Step 5: Solve for x
    x = 353,439,118.33/18,047.84
  6. Step 6: Final answer
    x = 19,583.46

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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.