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Finding the Fourth Proportional to 6,649.27, 9,980.06 and 3,364.67

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Solution

The fourth proportional to 6,649.27, 9,980.06 and 3,364.67 is: 5,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.27 : 9,980.06 = 3,364.67 : x
  2. Step 2: Convert to fraction form
    6,649.27/9,980.06 = 3,364.67/x
  3. Step 3: Cross multiply
    6,649.27x = 9,980.06 × 3,364.67
  4. Step 4: Simplify right side
    6,649.27x = 33,579,635.53
  5. Step 5: Solve for x
    x = 33,579,635.53/6,649.27
  6. Step 6: Final answer
    x = 5,050.12

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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.