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Finding the Fourth Proportional to 44,635.76, 66,954.02 and 11,355.86

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Solution

The fourth proportional to 44,635.76, 66,954.02 and 11,355.86 is: 17,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,635.76 : 66,954.02 = 11,355.86 : x
  2. Step 2: Convert to fraction form
    44,635.76/66,954.02 = 11,355.86/x
  3. Step 3: Cross multiply
    44,635.76x = 66,954.02 × 11,355.86
  4. Step 4: Simplify right side
    44,635.76x = 760,320,171.18
  5. Step 5: Solve for x
    x = 760,320,171.18/44,635.76
  6. Step 6: Final answer
    x = 17,033.88

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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.