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Finding the Fourth Proportional to 43,610.60, 65,415.90 and 41,018.60

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Solution

The fourth proportional to 43,610.60, 65,415.90 and 41,018.60 is: 61,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,610.60 : 65,415.90 = 41,018.60 : x
  2. Step 2: Convert to fraction form
    43,610.60/65,415.90 = 41,018.60/x
  3. Step 3: Cross multiply
    43,610.60x = 65,415.90 × 41,018.60
  4. Step 4: Simplify right side
    43,610.60x = 2,683,268,635.74
  5. Step 5: Solve for x
    x = 2,683,268,635.74/43,610.60
  6. Step 6: Final answer
    x = 61,527.90

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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.