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Finding the Fourth Proportional to 27,277.17, 40,919.81 and 8,558.75

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Solution

The fourth proportional to 27,277.17, 40,919.81 and 8,558.75 is: 12,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.17 : 40,919.81 = 8,558.75 : x
  2. Step 2: Convert to fraction form
    27,277.17/40,919.81 = 8,558.75/x
  3. Step 3: Cross multiply
    27,277.17x = 40,919.81 × 8,558.75
  4. Step 4: Simplify right side
    27,277.17x = 350,222,176.44
  5. Step 5: Solve for x
    x = 350,222,176.44/27,277.17
  6. Step 6: Final answer
    x = 12,839.39

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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.