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Finding the Fourth Proportional to 55,508.99, 83,264.28 and 18,069.26

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Solution

The fourth proportional to 55,508.99, 83,264.28 and 18,069.26 is: 27,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,508.99 : 83,264.28 = 18,069.26 : x
  2. Step 2: Convert to fraction form
    55,508.99/83,264.28 = 18,069.26/x
  3. Step 3: Cross multiply
    55,508.99x = 83,264.28 × 18,069.26
  4. Step 4: Simplify right side
    55,508.99x = 1,504,523,924.03
  5. Step 5: Solve for x
    x = 1,504,523,924.03/55,508.99
  6. Step 6: Final answer
    x = 27,104.15

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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.