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Finding the Fourth Proportional to 33,896, 46,778.40 and 18,992.96

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Solution

The fourth proportional to 33,896, 46,778.40 and 18,992.96 is: 26,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,896 : 46,778.40 = 18,992.96 : x
  2. Step 2: Convert to fraction form
    33,896/46,778.40 = 18,992.96/x
  3. Step 3: Cross multiply
    33,896x = 46,778.40 × 18,992.96
  4. Step 4: Simplify right side
    33,896x = 888,460,280.06
  5. Step 5: Solve for x
    x = 888,460,280.06/33,896
  6. Step 6: Final answer
    x = 26,211.36

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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.