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Finding the Fourth Proportional to 29,867.20, 44,757.60 and 13,213.60

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Solution

The fourth proportional to 29,867.20, 44,757.60 and 13,213.60 is: 19,801.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,867.20 : 44,757.60 = 13,213.60 : x
  2. Step 2: Convert to fraction form
    29,867.20/44,757.60 = 13,213.60/x
  3. Step 3: Cross multiply
    29,867.20x = 44,757.60 × 13,213.60
  4. Step 4: Simplify right side
    29,867.20x = 591,409,023.36
  5. Step 5: Solve for x
    x = 591,409,023.36/29,867.20
  6. Step 6: Final answer
    x = 19,801.29

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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.