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Finding the Fourth Proportional to 8,305.64, 12,450.21 and 4,599.99

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Solution

The fourth proportional to 8,305.64, 12,450.21 and 4,599.99 is: 6,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.64 : 12,450.21 = 4,599.99 : x
  2. Step 2: Convert to fraction form
    8,305.64/12,450.21 = 4,599.99/x
  3. Step 3: Cross multiply
    8,305.64x = 12,450.21 × 4,599.99
  4. Step 4: Simplify right side
    8,305.64x = 57,270,824.25
  5. Step 5: Solve for x
    x = 57,270,824.25/8,305.64
  6. Step 6: Final answer
    x = 6,895.41

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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.