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Finding the Fourth Proportional to 19,268, 26,592 and 10,885.04

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Solution

The fourth proportional to 19,268, 26,592 and 10,885.04 is: 15,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268 : 26,592 = 10,885.04 : x
  2. Step 2: Convert to fraction form
    19,268/26,592 = 10,885.04/x
  3. Step 3: Cross multiply
    19,268x = 26,592 × 10,885.04
  4. Step 4: Simplify right side
    19,268x = 289,454,983.68
  5. Step 5: Solve for x
    x = 289,454,983.68/19,268
  6. Step 6: Final answer
    x = 15,022.58

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Why These Related Problems?

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