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Finding the Fourth Proportional to 22,333.79, 30,821.01 and 12,262.65

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Solution

The fourth proportional to 22,333.79, 30,821.01 and 12,262.65 is: 16,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,333.79 : 30,821.01 = 12,262.65 : x
  2. Step 2: Convert to fraction form
    22,333.79/30,821.01 = 12,262.65/x
  3. Step 3: Cross multiply
    22,333.79x = 30,821.01 × 12,262.65
  4. Step 4: Simplify right side
    22,333.79x = 377,947,212.29
  5. Step 5: Solve for x
    x = 377,947,212.29/22,333.79
  6. Step 6: Final answer
    x = 16,922.67

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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.