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Finding the Fourth Proportional to 27,928.71, 41,893.25 and 8,207.55

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Solution

The fourth proportional to 27,928.71, 41,893.25 and 8,207.55 is: 12,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.71 : 41,893.25 = 8,207.55 : x
  2. Step 2: Convert to fraction form
    27,928.71/41,893.25 = 8,207.55/x
  3. Step 3: Cross multiply
    27,928.71x = 41,893.25 × 8,207.55
  4. Step 4: Simplify right side
    27,928.71x = 343,840,903.00
  5. Step 5: Solve for x
    x = 343,840,903.00/27,928.71
  6. Step 6: Final answer
    x = 12,311.38

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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.