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Finding the Fourth Proportional to 4,878.63, 6,732 and 2,753.98

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Solution

The fourth proportional to 4,878.63, 6,732 and 2,753.98 is: 3,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.63 : 6,732 = 2,753.98 : x
  2. Step 2: Convert to fraction form
    4,878.63/6,732 = 2,753.98/x
  3. Step 3: Cross multiply
    4,878.63x = 6,732 × 2,753.98
  4. Step 4: Simplify right side
    4,878.63x = 18,539,776.53
  5. Step 5: Solve for x
    x = 18,539,776.53/4,878.63
  6. Step 6: Final answer
    x = 3,800.20

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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.