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Finding the Fourth Proportional to 6,199.64, 9,302.43 and 3,859.03

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Solution

The fourth proportional to 6,199.64, 9,302.43 and 3,859.03 is: 5,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.64 : 9,302.43 = 3,859.03 : x
  2. Step 2: Convert to fraction form
    6,199.64/9,302.43 = 3,859.03/x
  3. Step 3: Cross multiply
    6,199.64x = 9,302.43 × 3,859.03
  4. Step 4: Simplify right side
    6,199.64x = 35,898,382.54
  5. Step 5: Solve for x
    x = 35,898,382.54/6,199.64
  6. Step 6: Final answer
    x = 5,790.40

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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.