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Finding the Fourth Proportional to 15,174.81, 22,762.23 and 4,787.37

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Solution

The fourth proportional to 15,174.81, 22,762.23 and 4,787.37 is: 7,181.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.81 : 22,762.23 = 4,787.37 : x
  2. Step 2: Convert to fraction form
    15,174.81/22,762.23 = 4,787.37/x
  3. Step 3: Cross multiply
    15,174.81x = 22,762.23 × 4,787.37
  4. Step 4: Simplify right side
    15,174.81x = 108,971,193.10
  5. Step 5: Solve for x
    x = 108,971,193.10/15,174.81
  6. Step 6: Final answer
    x = 7,181.06

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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.