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Finding the Fourth Proportional to 6,558.86, 9,834.52 and 3,891.48

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Solution

The fourth proportional to 6,558.86, 9,834.52 and 3,891.48 is: 5,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,558.86 : 9,834.52 = 3,891.48 : x
  2. Step 2: Convert to fraction form
    6,558.86/9,834.52 = 3,891.48/x
  3. Step 3: Cross multiply
    6,558.86x = 9,834.52 × 3,891.48
  4. Step 4: Simplify right side
    6,558.86x = 38,270,837.89
  5. Step 5: Solve for x
    x = 38,270,837.89/6,558.86
  6. Step 6: Final answer
    x = 5,834.98

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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.