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Finding the Fourth Proportional to 44,978.14, 67,463.29 and 18,326.93

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Solution

The fourth proportional to 44,978.14, 67,463.29 and 18,326.93 is: 27,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,978.14 : 67,463.29 = 18,326.93 : x
  2. Step 2: Convert to fraction form
    44,978.14/67,463.29 = 18,326.93/x
  3. Step 3: Cross multiply
    44,978.14x = 67,463.29 × 18,326.93
  4. Step 4: Simplify right side
    44,978.14x = 1,236,395,291.54
  5. Step 5: Solve for x
    x = 1,236,395,291.54/44,978.14
  6. Step 6: Final answer
    x = 27,488.81

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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.