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Finding the Fourth Proportional to 14,774.45, 22,147.29 and 8,186.85

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Solution

The fourth proportional to 14,774.45, 22,147.29 and 8,186.85 is: 12,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.45 : 22,147.29 = 8,186.85 : x
  2. Step 2: Convert to fraction form
    14,774.45/22,147.29 = 8,186.85/x
  3. Step 3: Cross multiply
    14,774.45x = 22,147.29 × 8,186.85
  4. Step 4: Simplify right side
    14,774.45x = 181,316,541.14
  5. Step 5: Solve for x
    x = 181,316,541.14/14,774.45
  6. Step 6: Final answer
    x = 12,272.31

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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.