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Finding the Fourth Proportional to 55,482, 83,233.94 and 18,039.66

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Solution

The fourth proportional to 55,482, 83,233.94 and 18,039.66 is: 27,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,482 : 83,233.94 = 18,039.66 : x
  2. Step 2: Convert to fraction form
    55,482/83,233.94 = 18,039.66/x
  3. Step 3: Cross multiply
    55,482x = 83,233.94 × 18,039.66
  4. Step 4: Simplify right side
    55,482x = 1,501,511,887.86
  5. Step 5: Solve for x
    x = 1,501,511,887.86/55,482
  6. Step 6: Final answer
    x = 27,063.05

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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.