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Finding the Fourth Proportional to 6,755.56, 9,326.95 and 4,634.64

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Solution

The fourth proportional to 6,755.56, 9,326.95 and 4,634.64 is: 6,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.56 : 9,326.95 = 4,634.64 : x
  2. Step 2: Convert to fraction form
    6,755.56/9,326.95 = 4,634.64/x
  3. Step 3: Cross multiply
    6,755.56x = 9,326.95 × 4,634.64
  4. Step 4: Simplify right side
    6,755.56x = 43,227,043.96
  5. Step 5: Solve for x
    x = 43,227,043.96/6,755.56
  6. Step 6: Final answer
    x = 6,398.74

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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.