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Finding the Fourth Proportional to 46,694.90, 69,979.62 and 43,705.64

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Solution

The fourth proportional to 46,694.90, 69,979.62 and 43,705.64 is: 65,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,694.90 : 69,979.62 = 43,705.64 : x
  2. Step 2: Convert to fraction form
    46,694.90/69,979.62 = 43,705.64/x
  3. Step 3: Cross multiply
    46,694.90x = 69,979.62 × 43,705.64
  4. Step 4: Simplify right side
    46,694.90x = 3,058,504,079.06
  5. Step 5: Solve for x
    x = 3,058,504,079.06/46,694.90
  6. Step 6: Final answer
    x = 65,499.75

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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.