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Finding the Fourth Proportional to 8,604.53, 12,904.21 and 3,057.14

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Solution

The fourth proportional to 8,604.53, 12,904.21 and 3,057.14 is: 4,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.53 : 12,904.21 = 3,057.14 : x
  2. Step 2: Convert to fraction form
    8,604.53/12,904.21 = 3,057.14/x
  3. Step 3: Cross multiply
    8,604.53x = 12,904.21 × 3,057.14
  4. Step 4: Simplify right side
    8,604.53x = 39,450,012.64
  5. Step 5: Solve for x
    x = 39,450,012.64/8,604.53
  6. Step 6: Final answer
    x = 4,584.80

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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.