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Finding the Fourth Proportional to 29,551.44, 40,780.80 and 16,122.42

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Solution

The fourth proportional to 29,551.44, 40,780.80 and 16,122.42 is: 22,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,551.44 : 40,780.80 = 16,122.42 : x
  2. Step 2: Convert to fraction form
    29,551.44/40,780.80 = 16,122.42/x
  3. Step 3: Cross multiply
    29,551.44x = 40,780.80 × 16,122.42
  4. Step 4: Simplify right side
    29,551.44x = 657,485,185.54
  5. Step 5: Solve for x
    x = 657,485,185.54/29,551.44
  6. Step 6: Final answer
    x = 22,248.84

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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.