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Finding the Fourth Proportional to 6,868.85, 9,476.32 and 4,481.63

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Solution

The fourth proportional to 6,868.85, 9,476.32 and 4,481.63 is: 6,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.85 : 9,476.32 = 4,481.63 : x
  2. Step 2: Convert to fraction form
    6,868.85/9,476.32 = 4,481.63/x
  3. Step 3: Cross multiply
    6,868.85x = 9,476.32 × 4,481.63
  4. Step 4: Simplify right side
    6,868.85x = 42,469,360.00
  5. Step 5: Solve for x
    x = 42,469,360.00/6,868.85
  6. Step 6: Final answer
    x = 6,182.89

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1.5x scale

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.