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Finding the Fourth Proportional to 33,965.66, 50,957.34 and 12,906.08

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Solution

The fourth proportional to 33,965.66, 50,957.34 and 12,906.08 is: 19,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,965.66 : 50,957.34 = 12,906.08 : x
  2. Step 2: Convert to fraction form
    33,965.66/50,957.34 = 12,906.08/x
  3. Step 3: Cross multiply
    33,965.66x = 50,957.34 × 12,906.08
  4. Step 4: Simplify right side
    33,965.66x = 657,659,506.63
  5. Step 5: Solve for x
    x = 657,659,506.63/33,965.66
  6. Step 6: Final answer
    x = 19,362.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.