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Finding the Fourth Proportional to 33,866.48, 46,734.12 and 18,758.12

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Solution

The fourth proportional to 33,866.48, 46,734.12 and 18,758.12 is: 25,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,866.48 : 46,734.12 = 18,758.12 : x
  2. Step 2: Convert to fraction form
    33,866.48/46,734.12 = 18,758.12/x
  3. Step 3: Cross multiply
    33,866.48x = 46,734.12 × 18,758.12
  4. Step 4: Simplify right side
    33,866.48x = 876,644,231.05
  5. Step 5: Solve for x
    x = 876,644,231.05/33,866.48
  6. Step 6: Final answer
    x = 25,885.31

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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.