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Finding the Fourth Proportional to 6,695.17, 9,238.92 and 3,933.34

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Solution

The fourth proportional to 6,695.17, 9,238.92 and 3,933.34 is: 5,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,695.17 : 9,238.92 = 3,933.34 : x
  2. Step 2: Convert to fraction form
    6,695.17/9,238.92 = 3,933.34/x
  3. Step 3: Cross multiply
    6,695.17x = 9,238.92 × 3,933.34
  4. Step 4: Simplify right side
    6,695.17x = 36,339,813.59
  5. Step 5: Solve for x
    x = 36,339,813.59/6,695.17
  6. Step 6: Final answer
    x = 5,427.77

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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.