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Finding the Fourth Proportional to 29,651.73, 40,907.07 and 19,439.97

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Solution

The fourth proportional to 29,651.73, 40,907.07 and 19,439.97 is: 26,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,651.73 : 40,907.07 = 19,439.97 : x
  2. Step 2: Convert to fraction form
    29,651.73/40,907.07 = 19,439.97/x
  3. Step 3: Cross multiply
    29,651.73x = 40,907.07 × 19,439.97
  4. Step 4: Simplify right side
    29,651.73x = 795,232,213.59
  5. Step 5: Solve for x
    x = 795,232,213.59/29,651.73
  6. Step 6: Final answer
    x = 26,819.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.