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Finding the Fourth Proportional to 13,649.96, 20,477.16 and 4,882.52

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Solution

The fourth proportional to 13,649.96, 20,477.16 and 4,882.52 is: 7,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649.96 : 20,477.16 = 4,882.52 : x
  2. Step 2: Convert to fraction form
    13,649.96/20,477.16 = 4,882.52/x
  3. Step 3: Cross multiply
    13,649.96x = 20,477.16 × 4,882.52
  4. Step 4: Simplify right side
    13,649.96x = 99,980,143.24
  5. Step 5: Solve for x
    x = 99,980,143.24/13,649.96
  6. Step 6: Final answer
    x = 7,324.57

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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.