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Finding the Fourth Proportional to 29,166.60, 43,749.90 and 27,438.60

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Solution

The fourth proportional to 29,166.60, 43,749.90 and 27,438.60 is: 41,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,166.60 : 43,749.90 = 27,438.60 : x
  2. Step 2: Convert to fraction form
    29,166.60/43,749.90 = 27,438.60/x
  3. Step 3: Cross multiply
    29,166.60x = 43,749.90 × 27,438.60
  4. Step 4: Simplify right side
    29,166.60x = 1,200,436,006.14
  5. Step 5: Solve for x
    x = 1,200,436,006.14/29,166.60
  6. Step 6: Final answer
    x = 41,157.90

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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.