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Finding the Fourth Proportional to 44,651.76, 66,977.64 and 18,338.04

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Solution

The fourth proportional to 44,651.76, 66,977.64 and 18,338.04 is: 27,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,651.76 : 66,977.64 = 18,338.04 : x
  2. Step 2: Convert to fraction form
    44,651.76/66,977.64 = 18,338.04/x
  3. Step 3: Cross multiply
    44,651.76x = 66,977.64 × 18,338.04
  4. Step 4: Simplify right side
    44,651.76x = 1,228,238,641.43
  5. Step 5: Solve for x
    x = 1,228,238,641.43/44,651.76
  6. Step 6: Final answer
    x = 27,507.06

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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.