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Finding the Fourth Proportional to 19,796.48, 29,694.36 and 7,952.96

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Solution

The fourth proportional to 19,796.48, 29,694.36 and 7,952.96 is: 11,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.48 : 29,694.36 = 7,952.96 : x
  2. Step 2: Convert to fraction form
    19,796.48/29,694.36 = 7,952.96/x
  3. Step 3: Cross multiply
    19,796.48x = 29,694.36 × 7,952.96
  4. Step 4: Simplify right side
    19,796.48x = 236,158,057.31
  5. Step 5: Solve for x
    x = 236,158,057.31/19,796.48
  6. Step 6: Final answer
    x = 11,929.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.