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Finding the Fourth Proportional to 33,330, 45,995.52 and 18,222.96

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Solution

The fourth proportional to 33,330, 45,995.52 and 18,222.96 is: 25,147.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,330 : 45,995.52 = 18,222.96 : x
  2. Step 2: Convert to fraction form
    33,330/45,995.52 = 18,222.96/x
  3. Step 3: Cross multiply
    33,330x = 45,995.52 × 18,222.96
  4. Step 4: Simplify right side
    33,330x = 838,174,521.14
  5. Step 5: Solve for x
    x = 838,174,521.14/33,330
  6. Step 6: Final answer
    x = 25,147.75

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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.