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Finding the Fourth Proportional to 29,761.60, 44,671.20 and 18,097.60

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Solution

The fourth proportional to 29,761.60, 44,671.20 and 18,097.60 is: 27,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,761.60 : 44,671.20 = 18,097.60 : x
  2. Step 2: Convert to fraction form
    29,761.60/44,671.20 = 18,097.60/x
  3. Step 3: Cross multiply
    29,761.60x = 44,671.20 × 18,097.60
  4. Step 4: Simplify right side
    29,761.60x = 808,441,509.12
  5. Step 5: Solve for x
    x = 808,441,509.12/29,761.60
  6. Step 6: Final answer
    x = 27,163.91

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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.