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Finding the Fourth Proportional to 5,361.71, 8,051.48 and 3,617.93

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Solution

The fourth proportional to 5,361.71, 8,051.48 and 3,617.93 is: 5,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.71 : 8,051.48 = 3,617.93 : x
  2. Step 2: Convert to fraction form
    5,361.71/8,051.48 = 3,617.93/x
  3. Step 3: Cross multiply
    5,361.71x = 8,051.48 × 3,617.93
  4. Step 4: Simplify right side
    5,361.71x = 29,129,720.21
  5. Step 5: Solve for x
    x = 29,129,720.21/5,361.71
  6. Step 6: Final answer
    x = 5,432.91

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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.