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Finding the Fourth Proportional to 6,702.75, 9,250.90 and 3,719.54

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Solution

The fourth proportional to 6,702.75, 9,250.90 and 3,719.54 is: 5,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,702.75 : 9,250.90 = 3,719.54 : x
  2. Step 2: Convert to fraction form
    6,702.75/9,250.90 = 3,719.54/x
  3. Step 3: Cross multiply
    6,702.75x = 9,250.90 × 3,719.54
  4. Step 4: Simplify right side
    6,702.75x = 34,409,106.41
  5. Step 5: Solve for x
    x = 34,409,106.41/6,702.75
  6. Step 6: Final answer
    x = 5,133.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.