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Finding the Fourth Proportional to 29,200.60, 43,816.20 and 13,410.40

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Solution

The fourth proportional to 29,200.60, 43,816.20 and 13,410.40 is: 20,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,200.60 : 43,816.20 = 13,410.40 : x
  2. Step 2: Convert to fraction form
    29,200.60/43,816.20 = 13,410.40/x
  3. Step 3: Cross multiply
    29,200.60x = 43,816.20 × 13,410.40
  4. Step 4: Simplify right side
    29,200.60x = 587,592,768.48
  5. Step 5: Solve for x
    x = 587,592,768.48/29,200.60
  6. Step 6: Final answer
    x = 20,122.63

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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.