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Finding the Fourth Proportional to 43,978.86, 65,951.82 and 17,674.74

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Solution

The fourth proportional to 43,978.86, 65,951.82 and 17,674.74 is: 26,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,978.86 : 65,951.82 = 17,674.74 : x
  2. Step 2: Convert to fraction form
    43,978.86/65,951.82 = 17,674.74/x
  3. Step 3: Cross multiply
    43,978.86x = 65,951.82 × 17,674.74
  4. Step 4: Simplify right side
    43,978.86x = 1,165,681,271.03
  5. Step 5: Solve for x
    x = 1,165,681,271.03/43,978.86
  6. Step 6: Final answer
    x = 26,505.49

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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.