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Finding the Fourth Proportional to 22,333.88, 30,821.16 and 12,263.27

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Solution

The fourth proportional to 22,333.88, 30,821.16 and 12,263.27 is: 16,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,333.88 : 30,821.16 = 12,263.27 : x
  2. Step 2: Convert to fraction form
    22,333.88/30,821.16 = 12,263.27/x
  3. Step 3: Cross multiply
    22,333.88x = 30,821.16 × 12,263.27
  4. Step 4: Simplify right side
    22,333.88x = 377,968,206.79
  5. Step 5: Solve for x
    x = 377,968,206.79/22,333.88
  6. Step 6: Final answer
    x = 16,923.54

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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.