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Finding the Fourth Proportional to 5,710.64, 8,567.16 and 2,012.96

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Solution

The fourth proportional to 5,710.64, 8,567.16 and 2,012.96 is: 3,019.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.64 : 8,567.16 = 2,012.96 : x
  2. Step 2: Convert to fraction form
    5,710.64/8,567.16 = 2,012.96/x
  3. Step 3: Cross multiply
    5,710.64x = 8,567.16 × 2,012.96
  4. Step 4: Simplify right side
    5,710.64x = 17,245,350.39
  5. Step 5: Solve for x
    x = 17,245,350.39/5,710.64
  6. Step 6: Final answer
    x = 3,019.86

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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.