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Finding the Fourth Proportional to 29,559.84, 40,799.56 and 16,991.88

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Solution

The fourth proportional to 29,559.84, 40,799.56 and 16,991.88 is: 23,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,559.84 : 40,799.56 = 16,991.88 : x
  2. Step 2: Convert to fraction form
    29,559.84/40,799.56 = 16,991.88/x
  3. Step 3: Cross multiply
    29,559.84x = 40,799.56 × 16,991.88
  4. Step 4: Simplify right side
    29,559.84x = 693,261,227.57
  5. Step 5: Solve for x
    x = 693,261,227.57/29,559.84
  6. Step 6: Final answer
    x = 23,452.81

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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.