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Finding the Fourth Proportional to 6,123.76, 9,181.50 and 3,348.16

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Solution

The fourth proportional to 6,123.76, 9,181.50 and 3,348.16 is: 5,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.76 : 9,181.50 = 3,348.16 : x
  2. Step 2: Convert to fraction form
    6,123.76/9,181.50 = 3,348.16/x
  3. Step 3: Cross multiply
    6,123.76x = 9,181.50 × 3,348.16
  4. Step 4: Simplify right side
    6,123.76x = 30,741,131.04
  5. Step 5: Solve for x
    x = 30,741,131.04/6,123.76
  6. Step 6: Final answer
    x = 5,019.98

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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.