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Finding the Fourth Proportional to 43,463.94, 65,195.92 and 27,979.98

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Solution

The fourth proportional to 43,463.94, 65,195.92 and 27,979.98 is: 41,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,463.94 : 65,195.92 = 27,979.98 : x
  2. Step 2: Convert to fraction form
    43,463.94/65,195.92 = 27,979.98/x
  3. Step 3: Cross multiply
    43,463.94x = 65,195.92 × 27,979.98
  4. Step 4: Simplify right side
    43,463.94x = 1,824,180,537.68
  5. Step 5: Solve for x
    x = 1,824,180,537.68/43,463.94
  6. Step 6: Final answer
    x = 41,969.98

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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.