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Finding the Fourth Proportional to 18,596.39, 27,894.59 and 4,745.39

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Solution

The fourth proportional to 18,596.39, 27,894.59 and 4,745.39 is: 7,118.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.39 : 27,894.59 = 4,745.39 : x
  2. Step 2: Convert to fraction form
    18,596.39/27,894.59 = 4,745.39/x
  3. Step 3: Cross multiply
    18,596.39x = 27,894.59 × 4,745.39
  4. Step 4: Simplify right side
    18,596.39x = 132,370,719.94
  5. Step 5: Solve for x
    x = 132,370,719.94/18,596.39
  6. Step 6: Final answer
    x = 7,118.09

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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.