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Finding the Fourth Proportional to 33,861.94, 46,734.94 and 21,959.90

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Solution

The fourth proportional to 33,861.94, 46,734.94 and 21,959.90 is: 30,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,861.94 : 46,734.94 = 21,959.90 : x
  2. Step 2: Convert to fraction form
    33,861.94/46,734.94 = 21,959.90/x
  3. Step 3: Cross multiply
    33,861.94x = 46,734.94 × 21,959.90
  4. Step 4: Simplify right side
    33,861.94x = 1,026,294,608.91
  5. Step 5: Solve for x
    x = 1,026,294,608.91/33,861.94
  6. Step 6: Final answer
    x = 30,308.20

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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.