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Finding the Fourth Proportional to 5,708.64, 8,564.16 and 2,010.96

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Solution

The fourth proportional to 5,708.64, 8,564.16 and 2,010.96 is: 3,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.64 : 8,564.16 = 2,010.96 : x
  2. Step 2: Convert to fraction form
    5,708.64/8,564.16 = 2,010.96/x
  3. Step 3: Cross multiply
    5,708.64x = 8,564.16 × 2,010.96
  4. Step 4: Simplify right side
    5,708.64x = 17,222,183.19
  5. Step 5: Solve for x
    x = 17,222,183.19/5,708.64
  6. Step 6: Final answer
    x = 3,016.86

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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.