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Finding the Fourth Proportional to 43,980.60, 65,846.70 and 34,233.60

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Solution

The fourth proportional to 43,980.60, 65,846.70 and 34,233.60 is: 51,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,980.60 : 65,846.70 = 34,233.60 : x
  2. Step 2: Convert to fraction form
    43,980.60/65,846.70 = 34,233.60/x
  3. Step 3: Cross multiply
    43,980.60x = 65,846.70 × 34,233.60
  4. Step 4: Simplify right side
    43,980.60x = 2,254,169,589.12
  5. Step 5: Solve for x
    x = 2,254,169,589.12/43,980.60
  6. Step 6: Final answer
    x = 51,253.73

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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.