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Finding the Fourth Proportional to 22,465.98, 33,708.78 and 8,624.70

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Solution

The fourth proportional to 22,465.98, 33,708.78 and 8,624.70 is: 12,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.98 : 33,708.78 = 8,624.70 : x
  2. Step 2: Convert to fraction form
    22,465.98/33,708.78 = 8,624.70/x
  3. Step 3: Cross multiply
    22,465.98x = 33,708.78 × 8,624.70
  4. Step 4: Simplify right side
    22,465.98x = 290,728,114.87
  5. Step 5: Solve for x
    x = 290,728,114.87/22,465.98
  6. Step 6: Final answer
    x = 12,940.82

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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.