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Finding the Fourth Proportional to 8,562.78, 11,817.48 and 5,025.91

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Solution

The fourth proportional to 8,562.78, 11,817.48 and 5,025.91 is: 6,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.78 : 11,817.48 = 5,025.91 : x
  2. Step 2: Convert to fraction form
    8,562.78/11,817.48 = 5,025.91/x
  3. Step 3: Cross multiply
    8,562.78x = 11,817.48 × 5,025.91
  4. Step 4: Simplify right side
    8,562.78x = 59,393,590.91
  5. Step 5: Solve for x
    x = 59,393,590.91/8,562.78
  6. Step 6: Final answer
    x = 6,936.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.