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Finding the Fourth Proportional to 5,808.48, 8,712.72 and 2,110.68

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Solution

The fourth proportional to 5,808.48, 8,712.72 and 2,110.68 is: 3,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.48 : 8,712.72 = 2,110.68 : x
  2. Step 2: Convert to fraction form
    5,808.48/8,712.72 = 2,110.68/x
  3. Step 3: Cross multiply
    5,808.48x = 8,712.72 × 2,110.68
  4. Step 4: Simplify right side
    5,808.48x = 18,389,763.85
  5. Step 5: Solve for x
    x = 18,389,763.85/5,808.48
  6. Step 6: Final answer
    x = 3,166.02

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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.