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Finding the Fourth Proportional to 5,476.55, 8,202.47 and 3,840.41

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Solution

The fourth proportional to 5,476.55, 8,202.47 and 3,840.41 is: 5,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.55 : 8,202.47 = 3,840.41 : x
  2. Step 2: Convert to fraction form
    5,476.55/8,202.47 = 3,840.41/x
  3. Step 3: Cross multiply
    5,476.55x = 8,202.47 × 3,840.41
  4. Step 4: Simplify right side
    5,476.55x = 31,500,849.12
  5. Step 5: Solve for x
    x = 31,500,849.12/5,476.55
  6. Step 6: Final answer
    x = 5,751.96

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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.