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Finding the Fourth Proportional to 6,883.54, 9,499.26 and 3,899.08

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Solution

The fourth proportional to 6,883.54, 9,499.26 and 3,899.08 is: 5,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883.54 : 9,499.26 = 3,899.08 : x
  2. Step 2: Convert to fraction form
    6,883.54/9,499.26 = 3,899.08/x
  3. Step 3: Cross multiply
    6,883.54x = 9,499.26 × 3,899.08
  4. Step 4: Simplify right side
    6,883.54x = 37,038,374.68
  5. Step 5: Solve for x
    x = 37,038,374.68/6,883.54
  6. Step 6: Final answer
    x = 5,380.72

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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.