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Finding the Fourth Proportional to 6,273.84, 8,658 and 3,621.48

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Solution

The fourth proportional to 6,273.84, 8,658 and 3,621.48 is: 4,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,273.84 : 8,658 = 3,621.48 : x
  2. Step 2: Convert to fraction form
    6,273.84/8,658 = 3,621.48/x
  3. Step 3: Cross multiply
    6,273.84x = 8,658 × 3,621.48
  4. Step 4: Simplify right side
    6,273.84x = 31,354,773.84
  5. Step 5: Solve for x
    x = 31,354,773.84/6,273.84
  6. Step 6: Final answer
    x = 4,997.70

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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.