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Finding the Fourth Proportional to 55,050.99, 82,566.75 and 21,759.99

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Solution

The fourth proportional to 55,050.99, 82,566.75 and 21,759.99 is: 32,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050.99 : 82,566.75 = 21,759.99 : x
  2. Step 2: Convert to fraction form
    55,050.99/82,566.75 = 21,759.99/x
  3. Step 3: Cross multiply
    55,050.99x = 82,566.75 × 21,759.99
  4. Step 4: Simplify right side
    55,050.99x = 1,796,651,654.33
  5. Step 5: Solve for x
    x = 1,796,651,654.33/55,050.99
  6. Step 6: Final answer
    x = 32,636.14

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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.