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Finding the Fourth Proportional to 7,668.95, 11,480.94 and 5,827.41

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Solution

The fourth proportional to 7,668.95, 11,480.94 and 5,827.41 is: 8,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.95 : 11,480.94 = 5,827.41 : x
  2. Step 2: Convert to fraction form
    7,668.95/11,480.94 = 5,827.41/x
  3. Step 3: Cross multiply
    7,668.95x = 11,480.94 × 5,827.41
  4. Step 4: Simplify right side
    7,668.95x = 66,904,144.57
  5. Step 5: Solve for x
    x = 66,904,144.57/7,668.95
  6. Step 6: Final answer
    x = 8,724.03

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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.