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Finding the Fourth Proportional to 33,270.75, 45,914.04 and 18,366.75

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Solution

The fourth proportional to 33,270.75, 45,914.04 and 18,366.75 is: 25,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,270.75 : 45,914.04 = 18,366.75 : x
  2. Step 2: Convert to fraction form
    33,270.75/45,914.04 = 18,366.75/x
  3. Step 3: Cross multiply
    33,270.75x = 45,914.04 × 18,366.75
  4. Step 4: Simplify right side
    33,270.75x = 843,291,694.17
  5. Step 5: Solve for x
    x = 843,291,694.17/33,270.75
  6. Step 6: Final answer
    x = 25,346.34

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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.