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Finding the Fourth Proportional to 3,673.04, 5,509.56 and 2,939.16

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Solution

The fourth proportional to 3,673.04, 5,509.56 and 2,939.16 is: 4,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.04 : 5,509.56 = 2,939.16 : x
  2. Step 2: Convert to fraction form
    3,673.04/5,509.56 = 2,939.16/x
  3. Step 3: Cross multiply
    3,673.04x = 5,509.56 × 2,939.16
  4. Step 4: Simplify right side
    3,673.04x = 16,193,478.37
  5. Step 5: Solve for x
    x = 16,193,478.37/3,673.04
  6. Step 6: Final answer
    x = 4,408.74

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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.