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Finding the Fourth Proportional to 5,842.80, 8,768.86 and 3,071.10

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Solution

The fourth proportional to 5,842.80, 8,768.86 and 3,071.10 is: 4,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.80 : 8,768.86 = 3,071.10 : x
  2. Step 2: Convert to fraction form
    5,842.80/8,768.86 = 3,071.10/x
  3. Step 3: Cross multiply
    5,842.80x = 8,768.86 × 3,071.10
  4. Step 4: Simplify right side
    5,842.80x = 26,930,021.83
  5. Step 5: Solve for x
    x = 26,930,021.83/5,842.80
  6. Step 6: Final answer
    x = 4,609.10

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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.