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Finding the Fourth Proportional to 3,225.89, 4,451.90 and 1,810.03

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Solution

The fourth proportional to 3,225.89, 4,451.90 and 1,810.03 is: 2,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.89 : 4,451.90 = 1,810.03 : x
  2. Step 2: Convert to fraction form
    3,225.89/4,451.90 = 1,810.03/x
  3. Step 3: Cross multiply
    3,225.89x = 4,451.90 × 1,810.03
  4. Step 4: Simplify right side
    3,225.89x = 8,058,057.22
  5. Step 5: Solve for x
    x = 8,058,057.22/3,225.89
  6. Step 6: Final answer
    x = 2,497.93

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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.