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Finding the Fourth Proportional to 29,404.80, 44,034.30 and 18,858.60

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Solution

The fourth proportional to 29,404.80, 44,034.30 and 18,858.60 is: 28,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,404.80 : 44,034.30 = 18,858.60 : x
  2. Step 2: Convert to fraction form
    29,404.80/44,034.30 = 18,858.60/x
  3. Step 3: Cross multiply
    29,404.80x = 44,034.30 × 18,858.60
  4. Step 4: Simplify right side
    29,404.80x = 830,425,249.98
  5. Step 5: Solve for x
    x = 830,425,249.98/29,404.80
  6. Step 6: Final answer
    x = 28,241.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.