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Finding the Fourth Proportional to 27,027.75, 40,541.81 and 8,559.75

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Solution

The fourth proportional to 27,027.75, 40,541.81 and 8,559.75 is: 12,839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,027.75 : 40,541.81 = 8,559.75 : x
  2. Step 2: Convert to fraction form
    27,027.75/40,541.81 = 8,559.75/x
  3. Step 3: Cross multiply
    27,027.75x = 40,541.81 × 8,559.75
  4. Step 4: Simplify right side
    27,027.75x = 347,027,715.35
  5. Step 5: Solve for x
    x = 347,027,715.35/27,027.75
  6. Step 6: Final answer
    x = 12,839.68

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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.