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Finding the Fourth Proportional to 16,439.52, 22,673.28 and 10,469.28

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Solution

The fourth proportional to 16,439.52, 22,673.28 and 10,469.28 is: 14,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.52 : 22,673.28 = 10,469.28 : x
  2. Step 2: Convert to fraction form
    16,439.52/22,673.28 = 10,469.28/x
  3. Step 3: Cross multiply
    16,439.52x = 22,673.28 × 10,469.28
  4. Step 4: Simplify right side
    16,439.52x = 237,372,916.84
  5. Step 5: Solve for x
    x = 237,372,916.84/16,439.52
  6. Step 6: Final answer
    x = 14,439.16

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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.