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Finding the Fourth Proportional to 19,850.54, 27,392.17 and 10,898.01

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Solution

The fourth proportional to 19,850.54, 27,392.17 and 10,898.01 is: 15,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.54 : 27,392.17 = 10,898.01 : x
  2. Step 2: Convert to fraction form
    19,850.54/27,392.17 = 10,898.01/x
  3. Step 3: Cross multiply
    19,850.54x = 27,392.17 × 10,898.01
  4. Step 4: Simplify right side
    19,850.54x = 298,520,142.58
  5. Step 5: Solve for x
    x = 298,520,142.58/19,850.54
  6. Step 6: Final answer
    x = 15,038.39

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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.