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Finding the Fourth Proportional to 2,379.00, 3,568.50 and 954.89

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Solution

The fourth proportional to 2,379.00, 3,568.50 and 954.89 is: 1,432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.00 : 3,568.50 = 954.89 : x
  2. Step 2: Convert to fraction form
    2,379.00/3,568.50 = 954.89/x
  3. Step 3: Cross multiply
    2,379.00x = 3,568.50 × 954.89
  4. Step 4: Simplify right side
    2,379.00x = 3,407,520.50
  5. Step 5: Solve for x
    x = 3,407,520.50/2,379.00
  6. Step 6: Final answer
    x = 1,432.33

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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.