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Finding the Fourth Proportional to 6,493.58, 8,961.11 and 3,509.41

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Solution

The fourth proportional to 6,493.58, 8,961.11 and 3,509.41 is: 4,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,493.58 : 8,961.11 = 3,509.41 : x
  2. Step 2: Convert to fraction form
    6,493.58/8,961.11 = 3,509.41/x
  3. Step 3: Cross multiply
    6,493.58x = 8,961.11 × 3,509.41
  4. Step 4: Simplify right side
    6,493.58x = 31,448,195.42
  5. Step 5: Solve for x
    x = 31,448,195.42/6,493.58
  6. Step 6: Final answer
    x = 4,842.97

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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.