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Finding the Fourth Proportional to 4,420.89, 6,100.89 and 2,431.47

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Solution

The fourth proportional to 4,420.89, 6,100.89 and 2,431.47 is: 3,355.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.89 : 6,100.89 = 2,431.47 : x
  2. Step 2: Convert to fraction form
    4,420.89/6,100.89 = 2,431.47/x
  3. Step 3: Cross multiply
    4,420.89x = 6,100.89 × 2,431.47
  4. Step 4: Simplify right side
    4,420.89x = 14,834,131.01
  5. Step 5: Solve for x
    x = 14,834,131.01/4,420.89
  6. Step 6: Final answer
    x = 3,355.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.