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Finding the Fourth Proportional to 5,436.04, 8,153.04 and 1,540.42

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Solution

The fourth proportional to 5,436.04, 8,153.04 and 1,540.42 is: 2,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.04 : 8,153.04 = 1,540.42 : x
  2. Step 2: Convert to fraction form
    5,436.04/8,153.04 = 1,540.42/x
  3. Step 3: Cross multiply
    5,436.04x = 8,153.04 × 1,540.42
  4. Step 4: Simplify right side
    5,436.04x = 12,559,105.88
  5. Step 5: Solve for x
    x = 12,559,105.88/5,436.04
  6. Step 6: Final answer
    x = 2,310.34

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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.