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Finding the Fourth Proportional to 12,002.88, 18,010.79 and 5,846.88

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Solution

The fourth proportional to 12,002.88, 18,010.79 and 5,846.88 is: 8,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.88 : 18,010.79 = 5,846.88 : x
  2. Step 2: Convert to fraction form
    12,002.88/18,010.79 = 5,846.88/x
  3. Step 3: Cross multiply
    12,002.88x = 18,010.79 × 5,846.88
  4. Step 4: Simplify right side
    12,002.88x = 105,306,852.40
  5. Step 5: Solve for x
    x = 105,306,852.40/12,002.88
  6. Step 6: Final answer
    x = 8,773.47

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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.