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Finding the Fourth Proportional to 43,442.80, 65,261.40 and 41,671.60

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Solution

The fourth proportional to 43,442.80, 65,261.40 and 41,671.60 is: 62,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,442.80 : 65,261.40 = 41,671.60 : x
  2. Step 2: Convert to fraction form
    43,442.80/65,261.40 = 41,671.60/x
  3. Step 3: Cross multiply
    43,442.80x = 65,261.40 × 41,671.60
  4. Step 4: Simplify right side
    43,442.80x = 2,719,546,956.24
  5. Step 5: Solve for x
    x = 2,719,546,956.24/43,442.80
  6. Step 6: Final answer
    x = 62,600.64

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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.