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Finding the Fourth Proportional to 54,384.66, 81,559.71 and 36,966.42

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Solution

The fourth proportional to 54,384.66, 81,559.71 and 36,966.42 is: 55,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,384.66 : 81,559.71 = 36,966.42 : x
  2. Step 2: Convert to fraction form
    54,384.66/81,559.71 = 36,966.42/x
  3. Step 3: Cross multiply
    54,384.66x = 81,559.71 × 36,966.42
  4. Step 4: Simplify right side
    54,384.66x = 3,014,970,494.94
  5. Step 5: Solve for x
    x = 3,014,970,494.94/54,384.66
  6. Step 6: Final answer
    x = 55,437.88

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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.