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Finding the Fourth Proportional to 44,978.49, 67,470.17 and 11,698.63

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Solution

The fourth proportional to 44,978.49, 67,470.17 and 11,698.63 is: 17,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,978.49 : 67,470.17 = 11,698.63 : x
  2. Step 2: Convert to fraction form
    44,978.49/67,470.17 = 11,698.63/x
  3. Step 3: Cross multiply
    44,978.49x = 67,470.17 × 11,698.63
  4. Step 4: Simplify right side
    44,978.49x = 789,308,327.70
  5. Step 5: Solve for x
    x = 789,308,327.70/44,978.49
  6. Step 6: Final answer
    x = 17,548.57

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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.