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Finding the Fourth Proportional to 5,874.70, 8,808.40 and 3,279.46

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Solution

The fourth proportional to 5,874.70, 8,808.40 and 3,279.46 is: 4,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.70 : 8,808.40 = 3,279.46 : x
  2. Step 2: Convert to fraction form
    5,874.70/8,808.40 = 3,279.46/x
  3. Step 3: Cross multiply
    5,874.70x = 8,808.40 × 3,279.46
  4. Step 4: Simplify right side
    5,874.70x = 28,886,795.46
  5. Step 5: Solve for x
    x = 28,886,795.46/5,874.70
  6. Step 6: Final answer
    x = 4,917.15

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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.