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Finding the Fourth Proportional to 29,533.80, 40,760.28 and 16,958.28

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Solution

The fourth proportional to 29,533.80, 40,760.28 and 16,958.28 is: 23,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,533.80 : 40,760.28 = 16,958.28 : x
  2. Step 2: Convert to fraction form
    29,533.80/40,760.28 = 16,958.28/x
  3. Step 3: Cross multiply
    29,533.80x = 40,760.28 × 16,958.28
  4. Step 4: Simplify right side
    29,533.80x = 691,224,241.12
  5. Step 5: Solve for x
    x = 691,224,241.12/29,533.80
  6. Step 6: Final answer
    x = 23,404.51

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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.