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Finding the Fourth Proportional to 3,765.66, 5,649.30 and 1,168.50

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Solution

The fourth proportional to 3,765.66, 5,649.30 and 1,168.50 is: 1,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.66 : 5,649.30 = 1,168.50 : x
  2. Step 2: Convert to fraction form
    3,765.66/5,649.30 = 1,168.50/x
  3. Step 3: Cross multiply
    3,765.66x = 5,649.30 × 1,168.50
  4. Step 4: Simplify right side
    3,765.66x = 6,601,207.05
  5. Step 5: Solve for x
    x = 6,601,207.05/3,765.66
  6. Step 6: Final answer
    x = 1,753.00

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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.