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Finding the Fourth Proportional to 4,868.84, 7,302.96 and 1,906.47

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Solution

The fourth proportional to 4,868.84, 7,302.96 and 1,906.47 is: 2,859.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.84 : 7,302.96 = 1,906.47 : x
  2. Step 2: Convert to fraction form
    4,868.84/7,302.96 = 1,906.47/x
  3. Step 3: Cross multiply
    4,868.84x = 7,302.96 × 1,906.47
  4. Step 4: Simplify right side
    4,868.84x = 13,922,874.15
  5. Step 5: Solve for x
    x = 13,922,874.15/4,868.84
  6. Step 6: Final answer
    x = 2,859.59

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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.