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Finding the Fourth Proportional to 6,798.09, 9,381.35 and 3,965.58

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Solution

The fourth proportional to 6,798.09, 9,381.35 and 3,965.58 is: 5,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.09 : 9,381.35 = 3,965.58 : x
  2. Step 2: Convert to fraction form
    6,798.09/9,381.35 = 3,965.58/x
  3. Step 3: Cross multiply
    6,798.09x = 9,381.35 × 3,965.58
  4. Step 4: Simplify right side
    6,798.09x = 37,202,493.93
  5. Step 5: Solve for x
    x = 37,202,493.93/6,798.09
  6. Step 6: Final answer
    x = 5,472.49

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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.