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Finding the Fourth Proportional to 43,843.60, 65,765.40 and 16,152.40

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Solution

The fourth proportional to 43,843.60, 65,765.40 and 16,152.40 is: 24,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,843.60 : 65,765.40 = 16,152.40 : x
  2. Step 2: Convert to fraction form
    43,843.60/65,765.40 = 16,152.40/x
  3. Step 3: Cross multiply
    43,843.60x = 65,765.40 × 16,152.40
  4. Step 4: Simplify right side
    43,843.60x = 1,062,269,046.96
  5. Step 5: Solve for x
    x = 1,062,269,046.96/43,843.60
  6. Step 6: Final answer
    x = 24,228.60

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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.