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Finding the Fourth Proportional to 3,770.45, 5,655.62 and 997.04

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Solution

The fourth proportional to 3,770.45, 5,655.62 and 997.04 is: 1,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.45 : 5,655.62 = 997.04 : x
  2. Step 2: Convert to fraction form
    3,770.45/5,655.62 = 997.04/x
  3. Step 3: Cross multiply
    3,770.45x = 5,655.62 × 997.04
  4. Step 4: Simplify right side
    3,770.45x = 5,638,896.00
  5. Step 5: Solve for x
    x = 5,638,896.00/3,770.45
  6. Step 6: Final answer
    x = 1,495.55

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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.