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Finding the Fourth Proportional to 5,808.92, 8,668.62 and 5,185.98

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Solution

The fourth proportional to 5,808.92, 8,668.62 and 5,185.98 is: 7,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.92 : 8,668.62 = 5,185.98 : x
  2. Step 2: Convert to fraction form
    5,808.92/8,668.62 = 5,185.98/x
  3. Step 3: Cross multiply
    5,808.92x = 8,668.62 × 5,185.98
  4. Step 4: Simplify right side
    5,808.92x = 44,955,289.95
  5. Step 5: Solve for x
    x = 44,955,289.95/5,808.92
  6. Step 6: Final answer
    x = 7,739.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.