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Finding the Fourth Proportional to 29,327.73, 43,958.79 and 12,662.79

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Solution

The fourth proportional to 29,327.73, 43,958.79 and 12,662.79 is: 18,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,327.73 : 43,958.79 = 12,662.79 : x
  2. Step 2: Convert to fraction form
    29,327.73/43,958.79 = 12,662.79/x
  3. Step 3: Cross multiply
    29,327.73x = 43,958.79 × 12,662.79
  4. Step 4: Simplify right side
    29,327.73x = 556,640,926.42
  5. Step 5: Solve for x
    x = 556,640,926.42/29,327.73
  6. Step 6: Final answer
    x = 18,980.02

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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.