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Finding the Fourth Proportional to 33,999.88, 46,918.90 and 18,892.15

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Solution

The fourth proportional to 33,999.88, 46,918.90 and 18,892.15 is: 26,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.88 : 46,918.90 = 18,892.15 : x
  2. Step 2: Convert to fraction form
    33,999.88/46,918.90 = 18,892.15/x
  3. Step 3: Cross multiply
    33,999.88x = 46,918.90 × 18,892.15
  4. Step 4: Simplify right side
    33,999.88x = 886,399,131.62
  5. Step 5: Solve for x
    x = 886,399,131.62/33,999.88
  6. Step 6: Final answer
    x = 26,070.65

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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.