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Finding the Fourth Proportional to 7,336.58, 11,015.87 and 7,081.43

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Solution

The fourth proportional to 7,336.58, 11,015.87 and 7,081.43 is: 10,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.58 : 11,015.87 = 7,081.43 : x
  2. Step 2: Convert to fraction form
    7,336.58/11,015.87 = 7,081.43/x
  3. Step 3: Cross multiply
    7,336.58x = 11,015.87 × 7,081.43
  4. Step 4: Simplify right side
    7,336.58x = 78,008,021.81
  5. Step 5: Solve for x
    x = 78,008,021.81/7,336.58
  6. Step 6: Final answer
    x = 10,632.76

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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.