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Finding the Fourth Proportional to 16,802.48, 25,211.92 and 11,903.60

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Solution

The fourth proportional to 16,802.48, 25,211.92 and 11,903.60 is: 17,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.48 : 25,211.92 = 11,903.60 : x
  2. Step 2: Convert to fraction form
    16,802.48/25,211.92 = 11,903.60/x
  3. Step 3: Cross multiply
    16,802.48x = 25,211.92 × 11,903.60
  4. Step 4: Simplify right side
    16,802.48x = 300,112,610.91
  5. Step 5: Solve for x
    x = 300,112,610.91/16,802.48
  6. Step 6: Final answer
    x = 17,861.21

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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.