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Finding the Fourth Proportional to 18,393.82, 27,595.06 and 5,246.38

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Solution

The fourth proportional to 18,393.82, 27,595.06 and 5,246.38 is: 7,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.82 : 27,595.06 = 5,246.38 : x
  2. Step 2: Convert to fraction form
    18,393.82/27,595.06 = 5,246.38/x
  3. Step 3: Cross multiply
    18,393.82x = 27,595.06 × 5,246.38
  4. Step 4: Simplify right side
    18,393.82x = 144,774,170.88
  5. Step 5: Solve for x
    x = 144,774,170.88/18,393.82
  6. Step 6: Final answer
    x = 7,870.81

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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.