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Finding the Fourth Proportional to 6,492.56, 8,959.19 and 3,621.11

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Solution

The fourth proportional to 6,492.56, 8,959.19 and 3,621.11 is: 4,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.56 : 8,959.19 = 3,621.11 : x
  2. Step 2: Convert to fraction form
    6,492.56/8,959.19 = 3,621.11/x
  3. Step 3: Cross multiply
    6,492.56x = 8,959.19 × 3,621.11
  4. Step 4: Simplify right side
    6,492.56x = 32,442,149.60
  5. Step 5: Solve for x
    x = 32,442,149.60/6,492.56
  6. Step 6: Final answer
    x = 4,996.82

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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.