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Finding the Fourth Proportional to 4,098.86, 5,656.50 and 2,235.86

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Solution

The fourth proportional to 4,098.86, 5,656.50 and 2,235.86 is: 3,085.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.86 : 5,656.50 = 2,235.86 : x
  2. Step 2: Convert to fraction form
    4,098.86/5,656.50 = 2,235.86/x
  3. Step 3: Cross multiply
    4,098.86x = 5,656.50 × 2,235.86
  4. Step 4: Simplify right side
    4,098.86x = 12,647,142.09
  5. Step 5: Solve for x
    x = 12,647,142.09/4,098.86
  6. Step 6: Final answer
    x = 3,085.53

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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.