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Finding the Fourth Proportional to 29,257.80, 43,905.60 and 16,119.60

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Solution

The fourth proportional to 29,257.80, 43,905.60 and 16,119.60 is: 24,189.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,257.80 : 43,905.60 = 16,119.60 : x
  2. Step 2: Convert to fraction form
    29,257.80/43,905.60 = 16,119.60/x
  3. Step 3: Cross multiply
    29,257.80x = 43,905.60 × 16,119.60
  4. Step 4: Simplify right side
    29,257.80x = 707,740,709.76
  5. Step 5: Solve for x
    x = 707,740,709.76/29,257.80
  6. Step 6: Final answer
    x = 24,189.81

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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.