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Finding the Fourth Proportional to 19,796.55, 29,694.93 and 6,648.92

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Solution

The fourth proportional to 19,796.55, 29,694.93 and 6,648.92 is: 9,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.55 : 29,694.93 = 6,648.92 : x
  2. Step 2: Convert to fraction form
    19,796.55/29,694.93 = 6,648.92/x
  3. Step 3: Cross multiply
    19,796.55x = 29,694.93 × 6,648.92
  4. Step 4: Simplify right side
    19,796.55x = 197,439,213.98
  5. Step 5: Solve for x
    x = 197,439,213.98/19,796.55
  6. Step 6: Final answer
    x = 9,973.42

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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.