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Finding the Fourth Proportional to 55,508.68, 83,264.05 and 18,068.60

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Solution

The fourth proportional to 55,508.68, 83,264.05 and 18,068.60 is: 27,103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,508.68 : 83,264.05 = 18,068.60 : x
  2. Step 2: Convert to fraction form
    55,508.68/83,264.05 = 18,068.60/x
  3. Step 3: Cross multiply
    55,508.68x = 83,264.05 × 18,068.60
  4. Step 4: Simplify right side
    55,508.68x = 1,504,464,976.82
  5. Step 5: Solve for x
    x = 1,504,464,976.82/55,508.68
  6. Step 6: Final answer
    x = 27,103.24

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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.