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Finding the Fourth Proportional to 29,667.80, 44,501.70 and 18,608.60

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Solution

The fourth proportional to 29,667.80, 44,501.70 and 18,608.60 is: 27,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,667.80 : 44,501.70 = 18,608.60 : x
  2. Step 2: Convert to fraction form
    29,667.80/44,501.70 = 18,608.60/x
  3. Step 3: Cross multiply
    29,667.80x = 44,501.70 × 18,608.60
  4. Step 4: Simplify right side
    29,667.80x = 828,114,334.62
  5. Step 5: Solve for x
    x = 828,114,334.62/29,667.80
  6. Step 6: Final answer
    x = 27,912.90

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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.