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Finding the Fourth Proportional to 44,978.30, 67,455.67 and 13,379.84

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Solution

The fourth proportional to 44,978.30, 67,455.67 and 13,379.84 is: 20,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,978.30 : 67,455.67 = 13,379.84 : x
  2. Step 2: Convert to fraction form
    44,978.30/67,455.67 = 13,379.84/x
  3. Step 3: Cross multiply
    44,978.30x = 67,455.67 × 13,379.84
  4. Step 4: Simplify right side
    44,978.30x = 902,546,206.88
  5. Step 5: Solve for x
    x = 902,546,206.88/44,978.30
  6. Step 6: Final answer
    x = 20,066.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.