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Finding the Fourth Proportional to 22,366.44, 30,865.34 and 12,294.67

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Solution

The fourth proportional to 22,366.44, 30,865.34 and 12,294.67 is: 16,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,366.44 : 30,865.34 = 12,294.67 : x
  2. Step 2: Convert to fraction form
    22,366.44/30,865.34 = 12,294.67/x
  3. Step 3: Cross multiply
    22,366.44x = 30,865.34 × 12,294.67
  4. Step 4: Simplify right side
    22,366.44x = 379,479,169.74
  5. Step 5: Solve for x
    x = 379,479,169.74/22,366.44
  6. Step 6: Final answer
    x = 16,966.45

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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.