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Finding the Fourth Proportional to 5,076.86, 7,615.31 and 1,566.86

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Solution

The fourth proportional to 5,076.86, 7,615.31 and 1,566.86 is: 2,350.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.86 : 7,615.31 = 1,566.86 : x
  2. Step 2: Convert to fraction form
    5,076.86/7,615.31 = 1,566.86/x
  3. Step 3: Cross multiply
    5,076.86x = 7,615.31 × 1,566.86
  4. Step 4: Simplify right side
    5,076.86x = 11,932,078.72
  5. Step 5: Solve for x
    x = 11,932,078.72/5,076.86
  6. Step 6: Final answer
    x = 2,350.29

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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.