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Finding the Fourth Proportional to 18,435.82, 27,650.06 and 6,745.08

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Solution

The fourth proportional to 18,435.82, 27,650.06 and 6,745.08 is: 10,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.82 : 27,650.06 = 6,745.08 : x
  2. Step 2: Convert to fraction form
    18,435.82/27,650.06 = 6,745.08/x
  3. Step 3: Cross multiply
    18,435.82x = 27,650.06 × 6,745.08
  4. Step 4: Simplify right side
    18,435.82x = 186,501,866.70
  5. Step 5: Solve for x
    x = 186,501,866.70/18,435.82
  6. Step 6: Final answer
    x = 10,116.28

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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.