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Finding the Fourth Proportional to 15,342.56, 23,016.12 and 4,813.45

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Solution

The fourth proportional to 15,342.56, 23,016.12 and 4,813.45 is: 7,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.56 : 23,016.12 = 4,813.45 : x
  2. Step 2: Convert to fraction form
    15,342.56/23,016.12 = 4,813.45/x
  3. Step 3: Cross multiply
    15,342.56x = 23,016.12 × 4,813.45
  4. Step 4: Simplify right side
    15,342.56x = 110,786,972.57
  5. Step 5: Solve for x
    x = 110,786,972.57/15,342.56
  6. Step 6: Final answer
    x = 7,220.89

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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.