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Finding the Fourth Proportional to 33,649, 46,436.58 and 18,745.96

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Solution

The fourth proportional to 33,649, 46,436.58 and 18,745.96 is: 25,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,649 : 46,436.58 = 18,745.96 : x
  2. Step 2: Convert to fraction form
    33,649/46,436.58 = 18,745.96/x
  3. Step 3: Cross multiply
    33,649x = 46,436.58 × 18,745.96
  4. Step 4: Simplify right side
    33,649x = 870,498,271.22
  5. Step 5: Solve for x
    x = 870,498,271.22/33,649
  6. Step 6: Final answer
    x = 25,869.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.