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Finding the Fourth Proportional to 8,299.66, 12,450.40 and 3,368.58

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Solution

The fourth proportional to 8,299.66, 12,450.40 and 3,368.58 is: 5,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.66 : 12,450.40 = 3,368.58 : x
  2. Step 2: Convert to fraction form
    8,299.66/12,450.40 = 3,368.58/x
  3. Step 3: Cross multiply
    8,299.66x = 12,450.40 × 3,368.58
  4. Step 4: Simplify right side
    8,299.66x = 41,940,168.43
  5. Step 5: Solve for x
    x = 41,940,168.43/8,299.66
  6. Step 6: Final answer
    x = 5,053.24

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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.