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Finding the Fourth Proportional to 29,809.20, 44,742.60 and 25,431.60

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Solution

The fourth proportional to 29,809.20, 44,742.60 and 25,431.60 is: 38,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809.20 : 44,742.60 = 25,431.60 : x
  2. Step 2: Convert to fraction form
    29,809.20/44,742.60 = 25,431.60/x
  3. Step 3: Cross multiply
    29,809.20x = 44,742.60 × 25,431.60
  4. Step 4: Simplify right side
    29,809.20x = 1,137,875,906.16
  5. Step 5: Solve for x
    x = 1,137,875,906.16/29,809.20
  6. Step 6: Final answer
    x = 38,171.97

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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.