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Finding the Fourth Proportional to 19,796.69, 29,691.32 and 9,933.32

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Solution

The fourth proportional to 19,796.69, 29,691.32 and 9,933.32 is: 14,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.69 : 29,691.32 = 9,933.32 : x
  2. Step 2: Convert to fraction form
    19,796.69/29,691.32 = 9,933.32/x
  3. Step 3: Cross multiply
    19,796.69x = 29,691.32 × 9,933.32
  4. Step 4: Simplify right side
    19,796.69x = 294,933,382.78
  5. Step 5: Solve for x
    x = 294,933,382.78/19,796.69
  6. Step 6: Final answer
    x = 14,898.12

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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.