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Finding the Fourth Proportional to 6,445.96, 8,828.76 and 6,067.68

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Solution

The fourth proportional to 6,445.96, 8,828.76 and 6,067.68 is: 8,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.96 : 8,828.76 = 6,067.68 : x
  2. Step 2: Convert to fraction form
    6,445.96/8,828.76 = 6,067.68/x
  3. Step 3: Cross multiply
    6,445.96x = 8,828.76 × 6,067.68
  4. Step 4: Simplify right side
    6,445.96x = 53,570,090.48
  5. Step 5: Solve for x
    x = 53,570,090.48/6,445.96
  6. Step 6: Final answer
    x = 8,310.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.