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Finding the Fourth Proportional to 30,847.77, 46,274.09 and 8,662.95

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Solution

The fourth proportional to 30,847.77, 46,274.09 and 8,662.95 is: 12,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.77 : 46,274.09 = 8,662.95 : x
  2. Step 2: Convert to fraction form
    30,847.77/46,274.09 = 8,662.95/x
  3. Step 3: Cross multiply
    30,847.77x = 46,274.09 × 8,662.95
  4. Step 4: Simplify right side
    30,847.77x = 400,870,084.65
  5. Step 5: Solve for x
    x = 400,870,084.65/30,847.77
  6. Step 6: Final answer
    x = 12,995.11

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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.