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Finding the Fourth Proportional to 10,608.56, 15,913 and 3,683.28

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Solution

The fourth proportional to 10,608.56, 15,913 and 3,683.28 is: 5,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.56 : 15,913 = 3,683.28 : x
  2. Step 2: Convert to fraction form
    10,608.56/15,913 = 3,683.28/x
  3. Step 3: Cross multiply
    10,608.56x = 15,913 × 3,683.28
  4. Step 4: Simplify right side
    10,608.56x = 58,612,034.64
  5. Step 5: Solve for x
    x = 58,612,034.64/10,608.56
  6. Step 6: Final answer
    x = 5,524.98

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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.