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Finding the Fourth Proportional to 18,383.10, 27,574.82 and 5,235.47

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Solution

The fourth proportional to 18,383.10, 27,574.82 and 5,235.47 is: 7,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.10 : 27,574.82 = 5,235.47 : x
  2. Step 2: Convert to fraction form
    18,383.10/27,574.82 = 5,235.47/x
  3. Step 3: Cross multiply
    18,383.10x = 27,574.82 × 5,235.47
  4. Step 4: Simplify right side
    18,383.10x = 144,367,142.87
  5. Step 5: Solve for x
    x = 144,367,142.87/18,383.10
  6. Step 6: Final answer
    x = 7,853.25

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