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Finding the Fourth Proportional to 55,508.80, 83,263.98 and 18,069.08

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Solution

The fourth proportional to 55,508.80, 83,263.98 and 18,069.08 is: 27,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,508.80 : 83,263.98 = 18,069.08 : x
  2. Step 2: Convert to fraction form
    55,508.80/83,263.98 = 18,069.08/x
  3. Step 3: Cross multiply
    55,508.80x = 83,263.98 × 18,069.08
  4. Step 4: Simplify right side
    55,508.80x = 1,504,503,515.74
  5. Step 5: Solve for x
    x = 1,504,503,515.74/55,508.80
  6. Step 6: Final answer
    x = 27,103.87

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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.