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Finding the Fourth Proportional to 9,156.89, 12,631.94 and 6,167.53

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Solution

The fourth proportional to 9,156.89, 12,631.94 and 6,167.53 is: 8,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.89 : 12,631.94 = 6,167.53 : x
  2. Step 2: Convert to fraction form
    9,156.89/12,631.94 = 6,167.53/x
  3. Step 3: Cross multiply
    9,156.89x = 12,631.94 × 6,167.53
  4. Step 4: Simplify right side
    9,156.89x = 77,907,868.91
  5. Step 5: Solve for x
    x = 77,907,868.91/9,156.89
  6. Step 6: Final answer
    x = 8,508.11

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