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Finding the Fourth Proportional to 59,917.20, 89,759.04 and 36,485.52

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Solution

The fourth proportional to 59,917.20, 89,759.04 and 36,485.52 is: 54,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,917.20 : 89,759.04 = 36,485.52 : x
  2. Step 2: Convert to fraction form
    59,917.20/89,759.04 = 36,485.52/x
  3. Step 3: Cross multiply
    59,917.20x = 89,759.04 × 36,485.52
  4. Step 4: Simplify right side
    59,917.20x = 3,274,905,249.10
  5. Step 5: Solve for x
    x = 3,274,905,249.10/59,917.20
  6. Step 6: Final answer
    x = 54,657.18

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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.