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Finding the Fourth Proportional to 30,304.92, 41,797.08 and 19,697.96

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Solution

The fourth proportional to 30,304.92, 41,797.08 and 19,697.96 is: 27,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,304.92 : 41,797.08 = 19,697.96 : x
  2. Step 2: Convert to fraction form
    30,304.92/41,797.08 = 19,697.96/x
  3. Step 3: Cross multiply
    30,304.92x = 41,797.08 × 19,697.96
  4. Step 4: Simplify right side
    30,304.92x = 823,317,209.96
  5. Step 5: Solve for x
    x = 823,317,209.96/30,304.92
  6. Step 6: Final answer
    x = 27,167.77

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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.