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Finding the Fourth Proportional to 19,796.44, 29,690.95 and 9,933.07

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Solution

The fourth proportional to 19,796.44, 29,690.95 and 9,933.07 is: 14,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.44 : 29,690.95 = 9,933.07 : x
  2. Step 2: Convert to fraction form
    19,796.44/29,690.95 = 9,933.07/x
  3. Step 3: Cross multiply
    19,796.44x = 29,690.95 × 9,933.07
  4. Step 4: Simplify right side
    19,796.44x = 294,922,259.88
  5. Step 5: Solve for x
    x = 294,922,259.88/19,796.44
  6. Step 6: Final answer
    x = 14,897.74

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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.