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Finding the Fourth Proportional to 54,903.57, 82,355.36 and 13,350.57

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Solution

The fourth proportional to 54,903.57, 82,355.36 and 13,350.57 is: 20,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,903.57 : 82,355.36 = 13,350.57 : x
  2. Step 2: Convert to fraction form
    54,903.57/82,355.36 = 13,350.57/x
  3. Step 3: Cross multiply
    54,903.57x = 82,355.36 × 13,350.57
  4. Step 4: Simplify right side
    54,903.57x = 1,099,490,931.80
  5. Step 5: Solve for x
    x = 1,099,490,931.80/54,903.57
  6. Step 6: Final answer
    x = 20,025.86

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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.