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Finding the Fourth Proportional to 4,489.80, 6,733.07 and 1,892.94

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Solution

The fourth proportional to 4,489.80, 6,733.07 and 1,892.94 is: 2,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.80 : 6,733.07 = 1,892.94 : x
  2. Step 2: Convert to fraction form
    4,489.80/6,733.07 = 1,892.94/x
  3. Step 3: Cross multiply
    4,489.80x = 6,733.07 × 1,892.94
  4. Step 4: Simplify right side
    4,489.80x = 12,745,297.53
  5. Step 5: Solve for x
    x = 12,745,297.53/4,489.80
  6. Step 6: Final answer
    x = 2,838.72

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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.