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Finding the Fourth Proportional to 18,599.36, 27,893.61 and 5,448.62

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Solution

The fourth proportional to 18,599.36, 27,893.61 and 5,448.62 is: 8,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.36 : 27,893.61 = 5,448.62 : x
  2. Step 2: Convert to fraction form
    18,599.36/27,893.61 = 5,448.62/x
  3. Step 3: Cross multiply
    18,599.36x = 27,893.61 × 5,448.62
  4. Step 4: Simplify right side
    18,599.36x = 151,981,681.32
  5. Step 5: Solve for x
    x = 151,981,681.32/18,599.36
  6. Step 6: Final answer
    x = 8,171.34

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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.