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Finding the Fourth Proportional to 22,161.54, 33,235.10 and 7,366.48

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Solution

The fourth proportional to 22,161.54, 33,235.10 and 7,366.48 is: 11,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.54 : 33,235.10 = 7,366.48 : x
  2. Step 2: Convert to fraction form
    22,161.54/33,235.10 = 7,366.48/x
  3. Step 3: Cross multiply
    22,161.54x = 33,235.10 × 7,366.48
  4. Step 4: Simplify right side
    22,161.54x = 244,825,699.45
  5. Step 5: Solve for x
    x = 244,825,699.45/22,161.54
  6. Step 6: Final answer
    x = 11,047.32

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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.