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Finding the Fourth Proportional to 3,754.64, 5,629.56 and 1,802.96

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Solution

The fourth proportional to 3,754.64, 5,629.56 and 1,802.96 is: 2,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.64 : 5,629.56 = 1,802.96 : x
  2. Step 2: Convert to fraction form
    3,754.64/5,629.56 = 1,802.96/x
  3. Step 3: Cross multiply
    3,754.64x = 5,629.56 × 1,802.96
  4. Step 4: Simplify right side
    3,754.64x = 10,149,871.50
  5. Step 5: Solve for x
    x = 10,149,871.50/3,754.64
  6. Step 6: Final answer
    x = 2,703.29

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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.