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Finding the Fourth Proportional to 22,423.62, 33,639.06 and 7,630.98

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Solution

The fourth proportional to 22,423.62, 33,639.06 and 7,630.98 is: 11,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.62 : 33,639.06 = 7,630.98 : x
  2. Step 2: Convert to fraction form
    22,423.62/33,639.06 = 7,630.98/x
  3. Step 3: Cross multiply
    22,423.62x = 33,639.06 × 7,630.98
  4. Step 4: Simplify right side
    22,423.62x = 256,698,994.08
  5. Step 5: Solve for x
    x = 256,698,994.08/22,423.62
  6. Step 6: Final answer
    x = 11,447.71

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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.