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Finding the Fourth Proportional to 11,148.99, 16,724.40 and 5,599.48

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Solution

The fourth proportional to 11,148.99, 16,724.40 and 5,599.48 is: 8,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.99 : 16,724.40 = 5,599.48 : x
  2. Step 2: Convert to fraction form
    11,148.99/16,724.40 = 5,599.48/x
  3. Step 3: Cross multiply
    11,148.99x = 16,724.40 × 5,599.48
  4. Step 4: Simplify right side
    11,148.99x = 93,647,943.31
  5. Step 5: Solve for x
    x = 93,647,943.31/11,148.99
  6. Step 6: Final answer
    x = 8,399.68

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Similar ratio
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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.