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Finding the Fourth Proportional to 55,548.64, 83,285.88 and 30,600.64

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Solution

The fourth proportional to 55,548.64, 83,285.88 and 30,600.64 is: 45,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,548.64 : 83,285.88 = 30,600.64 : x
  2. Step 2: Convert to fraction form
    55,548.64/83,285.88 = 30,600.64/x
  3. Step 3: Cross multiply
    55,548.64x = 83,285.88 × 30,600.64
  4. Step 4: Simplify right side
    55,548.64x = 2,548,601,230.96
  5. Step 5: Solve for x
    x = 2,548,601,230.96/55,548.64
  6. Step 6: Final answer
    x = 45,880.53

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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.