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Finding the Fourth Proportional to 43,797.49, 65,639.10 and 20,096.48

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Solution

The fourth proportional to 43,797.49, 65,639.10 and 20,096.48 is: 30,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,797.49 : 65,639.10 = 20,096.48 : x
  2. Step 2: Convert to fraction form
    43,797.49/65,639.10 = 20,096.48/x
  3. Step 3: Cross multiply
    43,797.49x = 65,639.10 × 20,096.48
  4. Step 4: Simplify right side
    43,797.49x = 1,319,114,860.37
  5. Step 5: Solve for x
    x = 1,319,114,860.37/43,797.49
  6. Step 6: Final answer
    x = 30,118.50

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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.