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Finding the Fourth Proportional to 3,553.64, 4,905.05 and 2,061.89

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Solution

The fourth proportional to 3,553.64, 4,905.05 and 2,061.89 is: 2,846.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.64 : 4,905.05 = 2,061.89 : x
  2. Step 2: Convert to fraction form
    3,553.64/4,905.05 = 2,061.89/x
  3. Step 3: Cross multiply
    3,553.64x = 4,905.05 × 2,061.89
  4. Step 4: Simplify right side
    3,553.64x = 10,113,673.54
  5. Step 5: Solve for x
    x = 10,113,673.54/3,553.64
  6. Step 6: Final answer
    x = 2,846.00

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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.