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Finding the Fourth Proportional to 22,468.10, 31,006.58 and 12,396.68

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Solution

The fourth proportional to 22,468.10, 31,006.58 and 12,396.68 is: 17,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,468.10 : 31,006.58 = 12,396.68 : x
  2. Step 2: Convert to fraction form
    22,468.10/31,006.58 = 12,396.68/x
  3. Step 3: Cross multiply
    22,468.10x = 31,006.58 × 12,396.68
  4. Step 4: Simplify right side
    22,468.10x = 384,378,433.14
  5. Step 5: Solve for x
    x = 384,378,433.14/22,468.10
  6. Step 6: Final answer
    x = 17,107.74

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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.