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Finding the Fourth Proportional to 8,675.73, 13,008.92 and 4,505.45

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Solution

The fourth proportional to 8,675.73, 13,008.92 and 4,505.45 is: 6,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.73 : 13,008.92 = 4,505.45 : x
  2. Step 2: Convert to fraction form
    8,675.73/13,008.92 = 4,505.45/x
  3. Step 3: Cross multiply
    8,675.73x = 13,008.92 × 4,505.45
  4. Step 4: Simplify right side
    8,675.73x = 58,611,016.09
  5. Step 5: Solve for x
    x = 58,611,016.09/8,675.73
  6. Step 6: Final answer
    x = 6,755.74

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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.