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Finding the Fourth Proportional to 55,808.10, 83,605.23 and 53,932.14

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Solution

The fourth proportional to 55,808.10, 83,605.23 and 53,932.14 is: 80,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,808.10 : 83,605.23 = 53,932.14 : x
  2. Step 2: Convert to fraction form
    55,808.10/83,605.23 = 53,932.14/x
  3. Step 3: Cross multiply
    55,808.10x = 83,605.23 × 53,932.14
  4. Step 4: Simplify right side
    55,808.10x = 4,509,008,969.09
  5. Step 5: Solve for x
    x = 4,509,008,969.09/55,808.10
  6. Step 6: Final answer
    x = 80,794.88

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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.