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Finding the Fourth Proportional to 60,405.78, 90,601.60 and 16,035.96

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Solution

The fourth proportional to 60,405.78, 90,601.60 and 16,035.96 is: 24,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,405.78 : 90,601.60 = 16,035.96 : x
  2. Step 2: Convert to fraction form
    60,405.78/90,601.60 = 16,035.96/x
  3. Step 3: Cross multiply
    60,405.78x = 90,601.60 × 16,035.96
  4. Step 4: Simplify right side
    60,405.78x = 1,452,883,633.54
  5. Step 5: Solve for x
    x = 1,452,883,633.54/60,405.78
  6. Step 6: Final answer
    x = 24,052.06

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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.