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Finding the Fourth Proportional to 15,052.88, 20,773.32 and 8,762.96

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Solution

The fourth proportional to 15,052.88, 20,773.32 and 8,762.96 is: 12,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.88 : 20,773.32 = 8,762.96 : x
  2. Step 2: Convert to fraction form
    15,052.88/20,773.32 = 8,762.96/x
  3. Step 3: Cross multiply
    15,052.88x = 20,773.32 × 8,762.96
  4. Step 4: Simplify right side
    15,052.88x = 182,035,772.23
  5. Step 5: Solve for x
    x = 182,035,772.23/15,052.88
  6. Step 6: Final answer
    x = 12,093.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.