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Finding the Fourth Proportional to 22,394.34, 33,604.92 and 8,364.21

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Solution

The fourth proportional to 22,394.34, 33,604.92 and 8,364.21 is: 12,551.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,394.34 : 33,604.92 = 8,364.21 : x
  2. Step 2: Convert to fraction form
    22,394.34/33,604.92 = 8,364.21/x
  3. Step 3: Cross multiply
    22,394.34x = 33,604.92 × 8,364.21
  4. Step 4: Simplify right side
    22,394.34x = 281,078,607.91
  5. Step 5: Solve for x
    x = 281,078,607.91/22,394.34
  6. Step 6: Final answer
    x = 12,551.32

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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.