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Finding the Fourth Proportional to 43,978.82, 65,951.76 and 17,674.61

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Solution

The fourth proportional to 43,978.82, 65,951.76 and 17,674.61 is: 26,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,978.82 : 65,951.76 = 17,674.61 : x
  2. Step 2: Convert to fraction form
    43,978.82/65,951.76 = 17,674.61/x
  3. Step 3: Cross multiply
    43,978.82x = 65,951.76 × 17,674.61
  4. Step 4: Simplify right side
    43,978.82x = 1,165,671,636.81
  5. Step 5: Solve for x
    x = 1,165,671,636.81/43,978.82
  6. Step 6: Final answer
    x = 26,505.30

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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.