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Finding the Fourth Proportional to 7,898.41, 11,851.07 and 3,741.39

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Solution

The fourth proportional to 7,898.41, 11,851.07 and 3,741.39 is: 5,613.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.41 : 11,851.07 = 3,741.39 : x
  2. Step 2: Convert to fraction form
    7,898.41/11,851.07 = 3,741.39/x
  3. Step 3: Cross multiply
    7,898.41x = 11,851.07 × 3,741.39
  4. Step 4: Simplify right side
    7,898.41x = 44,339,474.79
  5. Step 5: Solve for x
    x = 44,339,474.79/7,898.41
  6. Step 6: Final answer
    x = 5,613.72

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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.