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Finding the Fourth Proportional to 6,328.76, 8,734.18 and 3,676.01

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Solution

The fourth proportional to 6,328.76, 8,734.18 and 3,676.01 is: 5,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.76 : 8,734.18 = 3,676.01 : x
  2. Step 2: Convert to fraction form
    6,328.76/8,734.18 = 3,676.01/x
  3. Step 3: Cross multiply
    6,328.76x = 8,734.18 × 3,676.01
  4. Step 4: Simplify right side
    6,328.76x = 32,106,933.02
  5. Step 5: Solve for x
    x = 32,106,933.02/6,328.76
  6. Step 6: Final answer
    x = 5,073.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.