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Finding the Fourth Proportional to 22,004.75, 33,009.35 and 7,213.74

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Solution

The fourth proportional to 22,004.75, 33,009.35 and 7,213.74 is: 10,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,004.75 : 33,009.35 = 7,213.74 : x
  2. Step 2: Convert to fraction form
    22,004.75/33,009.35 = 7,213.74/x
  3. Step 3: Cross multiply
    22,004.75x = 33,009.35 × 7,213.74
  4. Step 4: Simplify right side
    22,004.75x = 238,120,832.40
  5. Step 5: Solve for x
    x = 238,120,832.40/22,004.75
  6. Step 6: Final answer
    x = 10,821.34

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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.