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Finding the Fourth Proportional to 4,984.96, 7,481.04 and 2,389.36

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Solution

The fourth proportional to 4,984.96, 7,481.04 and 2,389.36 is: 3,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.96 : 7,481.04 = 2,389.36 : x
  2. Step 2: Convert to fraction form
    4,984.96/7,481.04 = 2,389.36/x
  3. Step 3: Cross multiply
    4,984.96x = 7,481.04 × 2,389.36
  4. Step 4: Simplify right side
    4,984.96x = 17,874,897.73
  5. Step 5: Solve for x
    x = 17,874,897.73/4,984.96
  6. Step 6: Final answer
    x = 3,585.77

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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.