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Finding the Fourth Proportional to 22,274.94, 30,739.83 and 12,203.22

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Solution

The fourth proportional to 22,274.94, 30,739.83 and 12,203.22 is: 16,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.94 : 30,739.83 = 12,203.22 : x
  2. Step 2: Convert to fraction form
    22,274.94/30,739.83 = 12,203.22/x
  3. Step 3: Cross multiply
    22,274.94x = 30,739.83 × 12,203.22
  4. Step 4: Simplify right side
    22,274.94x = 375,124,908.25
  5. Step 5: Solve for x
    x = 375,124,908.25/22,274.94
  6. Step 6: Final answer
    x = 16,840.67

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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.