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Finding the Fourth Proportional to 43,695.36, 65,631.36 and 26,198.40

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Solution

The fourth proportional to 43,695.36, 65,631.36 and 26,198.40 is: 39,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,695.36 : 65,631.36 = 26,198.40 : x
  2. Step 2: Convert to fraction form
    43,695.36/65,631.36 = 26,198.40/x
  3. Step 3: Cross multiply
    43,695.36x = 65,631.36 × 26,198.40
  4. Step 4: Simplify right side
    43,695.36x = 1,719,436,621.82
  5. Step 5: Solve for x
    x = 1,719,436,621.82/43,695.36
  6. Step 6: Final answer
    x = 39,350.55

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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.