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Finding the Fourth Proportional to 2,506.72, 3,760.01 and 1,191.42

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Solution

The fourth proportional to 2,506.72, 3,760.01 and 1,191.42 is: 1,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.72 : 3,760.01 = 1,191.42 : x
  2. Step 2: Convert to fraction form
    2,506.72/3,760.01 = 1,191.42/x
  3. Step 3: Cross multiply
    2,506.72x = 3,760.01 × 1,191.42
  4. Step 4: Simplify right side
    2,506.72x = 4,479,756.05
  5. Step 5: Solve for x
    x = 4,479,756.05/2,506.72
  6. Step 6: Final answer
    x = 1,787.10

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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.