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Finding the Fourth Proportional to 43,829.60, 65,744.40 and 41,410.40

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Solution

The fourth proportional to 43,829.60, 65,744.40 and 41,410.40 is: 62,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,829.60 : 65,744.40 = 41,410.40 : x
  2. Step 2: Convert to fraction form
    43,829.60/65,744.40 = 41,410.40/x
  3. Step 3: Cross multiply
    43,829.60x = 65,744.40 × 41,410.40
  4. Step 4: Simplify right side
    43,829.60x = 2,722,501,901.76
  5. Step 5: Solve for x
    x = 2,722,501,901.76/43,829.60
  6. Step 6: Final answer
    x = 62,115.60

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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.