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Finding the Fourth Proportional to 18,405.44, 27,605.28 and 6,093.44

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Solution

The fourth proportional to 18,405.44, 27,605.28 and 6,093.44 is: 9,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,405.44 : 27,605.28 = 6,093.44 : x
  2. Step 2: Convert to fraction form
    18,405.44/27,605.28 = 6,093.44/x
  3. Step 3: Cross multiply
    18,405.44x = 27,605.28 × 6,093.44
  4. Step 4: Simplify right side
    18,405.44x = 168,211,117.36
  5. Step 5: Solve for x
    x = 168,211,117.36/18,405.44
  6. Step 6: Final answer
    x = 9,139.21

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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.