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Finding the Fourth Proportional to 16,515.54, 24,773.34 and 7,025.41

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Solution

The fourth proportional to 16,515.54, 24,773.34 and 7,025.41 is: 10,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.54 : 24,773.34 = 7,025.41 : x
  2. Step 2: Convert to fraction form
    16,515.54/24,773.34 = 7,025.41/x
  3. Step 3: Cross multiply
    16,515.54x = 24,773.34 × 7,025.41
  4. Step 4: Simplify right side
    16,515.54x = 174,042,808.64
  5. Step 5: Solve for x
    x = 174,042,808.64/16,515.54
  6. Step 6: Final answer
    x = 10,538.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.