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Finding the Fourth Proportional to 3,770.68, 5,654.82 and 1,579

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Solution

The fourth proportional to 3,770.68, 5,654.82 and 1,579 is: 2,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.68 : 5,654.82 = 1,579 : x
  2. Step 2: Convert to fraction form
    3,770.68/5,654.82 = 1,579/x
  3. Step 3: Cross multiply
    3,770.68x = 5,654.82 × 1,579
  4. Step 4: Simplify right side
    3,770.68x = 8,928,960.78
  5. Step 5: Solve for x
    x = 8,928,960.78/3,770.68
  6. Step 6: Final answer
    x = 2,368.00

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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.