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Finding the Fourth Proportional to 3,903.63, 5,852.21 and 2,730.29

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Solution

The fourth proportional to 3,903.63, 5,852.21 and 2,730.29 is: 4,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.63 : 5,852.21 = 2,730.29 : x
  2. Step 2: Convert to fraction form
    3,903.63/5,852.21 = 2,730.29/x
  3. Step 3: Cross multiply
    3,903.63x = 5,852.21 × 2,730.29
  4. Step 4: Simplify right side
    3,903.63x = 15,978,187.53
  5. Step 5: Solve for x
    x = 15,978,187.53/3,903.63
  6. Step 6: Final answer
    x = 4,093.16

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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.