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Finding the Fourth Proportional to 13,455.30, 20,173.35 and 6,053.70

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Solution

The fourth proportional to 13,455.30, 20,173.35 and 6,053.70 is: 9,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.30 : 20,173.35 = 6,053.70 : x
  2. Step 2: Convert to fraction form
    13,455.30/20,173.35 = 6,053.70/x
  3. Step 3: Cross multiply
    13,455.30x = 20,173.35 × 6,053.70
  4. Step 4: Simplify right side
    13,455.30x = 122,123,408.90
  5. Step 5: Solve for x
    x = 122,123,408.90/13,455.30
  6. Step 6: Final answer
    x = 9,076.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.