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Finding the Fourth Proportional to 33,965.40, 50,968.83 and 21,468.21

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Solution

The fourth proportional to 33,965.40, 50,968.83 and 21,468.21 is: 32,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,965.40 : 50,968.83 = 21,468.21 : x
  2. Step 2: Convert to fraction form
    33,965.40/50,968.83 = 21,468.21/x
  3. Step 3: Cross multiply
    33,965.40x = 50,968.83 × 21,468.21
  4. Step 4: Simplify right side
    33,965.40x = 1,094,209,835.13
  5. Step 5: Solve for x
    x = 1,094,209,835.13/33,965.40
  6. Step 6: Final answer
    x = 32,215.43

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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.