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Finding the Fourth Proportional to 18,596.33, 27,894.49 and 4,745.33

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Solution

The fourth proportional to 18,596.33, 27,894.49 and 4,745.33 is: 7,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.33 : 27,894.49 = 4,745.33 : x
  2. Step 2: Convert to fraction form
    18,596.33/27,894.49 = 4,745.33/x
  3. Step 3: Cross multiply
    18,596.33x = 27,894.49 × 4,745.33
  4. Step 4: Simplify right side
    18,596.33x = 132,368,560.23
  5. Step 5: Solve for x
    x = 132,368,560.23/18,596.33
  6. Step 6: Final answer
    x = 7,117.99

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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.