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Finding the Fourth Proportional to 5,469.10, 8,205 and 1,573.81

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Solution

The fourth proportional to 5,469.10, 8,205 and 1,573.81 is: 2,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.10 : 8,205 = 1,573.81 : x
  2. Step 2: Convert to fraction form
    5,469.10/8,205 = 1,573.81/x
  3. Step 3: Cross multiply
    5,469.10x = 8,205 × 1,573.81
  4. Step 4: Simplify right side
    5,469.10x = 12,913,111.05
  5. Step 5: Solve for x
    x = 12,913,111.05/5,469.10
  6. Step 6: Final answer
    x = 2,361.10

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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.