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Finding the Fourth Proportional to 43,997.60, 65,996.46 and 10,717.46

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Solution

The fourth proportional to 43,997.60, 65,996.46 and 10,717.46 is: 16,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,997.60 : 65,996.46 = 10,717.46 : x
  2. Step 2: Convert to fraction form
    43,997.60/65,996.46 = 10,717.46/x
  3. Step 3: Cross multiply
    43,997.60x = 65,996.46 × 10,717.46
  4. Step 4: Simplify right side
    43,997.60x = 707,314,420.19
  5. Step 5: Solve for x
    x = 707,314,420.19/43,997.60
  6. Step 6: Final answer
    x = 16,076.20

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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.