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Finding the Fourth Proportional to 29,551.84, 40,788.12 and 18,794.63

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Solution

The fourth proportional to 29,551.84, 40,788.12 and 18,794.63 is: 25,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,551.84 : 40,788.12 = 18,794.63 : x
  2. Step 2: Convert to fraction form
    29,551.84/40,788.12 = 18,794.63/x
  3. Step 3: Cross multiply
    29,551.84x = 40,788.12 × 18,794.63
  4. Step 4: Simplify right side
    29,551.84x = 766,597,796.25
  5. Step 5: Solve for x
    x = 766,597,796.25/29,551.84
  6. Step 6: Final answer
    x = 25,940.78

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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.