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Finding the Fourth Proportional to 19,963.07, 29,944.41 and 7,651.07

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Solution

The fourth proportional to 19,963.07, 29,944.41 and 7,651.07 is: 11,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.07 : 29,944.41 = 7,651.07 : x
  2. Step 2: Convert to fraction form
    19,963.07/29,944.41 = 7,651.07/x
  3. Step 3: Cross multiply
    19,963.07x = 29,944.41 × 7,651.07
  4. Step 4: Simplify right side
    19,963.07x = 229,106,777.02
  5. Step 5: Solve for x
    x = 229,106,777.02/19,963.07
  6. Step 6: Final answer
    x = 11,476.53

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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.