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Finding the Fourth Proportional to 27,599.80, 41,406.60 and 8,881.60

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Solution

The fourth proportional to 27,599.80, 41,406.60 and 8,881.60 is: 13,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,599.80 : 41,406.60 = 8,881.60 : x
  2. Step 2: Convert to fraction form
    27,599.80/41,406.60 = 8,881.60/x
  3. Step 3: Cross multiply
    27,599.80x = 41,406.60 × 8,881.60
  4. Step 4: Simplify right side
    27,599.80x = 367,756,858.56
  5. Step 5: Solve for x
    x = 367,756,858.56/27,599.80
  6. Step 6: Final answer
    x = 13,324.62

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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.