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Finding the Fourth Proportional to 18,376.66, 27,574.11 and 7,283.10

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Solution

The fourth proportional to 18,376.66, 27,574.11 and 7,283.10 is: 10,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.66 : 27,574.11 = 7,283.10 : x
  2. Step 2: Convert to fraction form
    18,376.66/27,574.11 = 7,283.10/x
  3. Step 3: Cross multiply
    18,376.66x = 27,574.11 × 7,283.10
  4. Step 4: Simplify right side
    18,376.66x = 200,825,103.94
  5. Step 5: Solve for x
    x = 200,825,103.94/18,376.66
  6. Step 6: Final answer
    x = 10,928.27

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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.