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Finding the Fourth Proportional to 55,086.66, 82,619.01 and 26,994.60

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Solution

The fourth proportional to 55,086.66, 82,619.01 and 26,994.60 is: 40,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,086.66 : 82,619.01 = 26,994.60 : x
  2. Step 2: Convert to fraction form
    55,086.66/82,619.01 = 26,994.60/x
  3. Step 3: Cross multiply
    55,086.66x = 82,619.01 × 26,994.60
  4. Step 4: Simplify right side
    55,086.66x = 2,230,267,127.35
  5. Step 5: Solve for x
    x = 2,230,267,127.35/55,086.66
  6. Step 6: Final answer
    x = 40,486.52

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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.