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Finding the Fourth Proportional to 18,593.35, 25,660.61 and 10,634.02

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Solution

The fourth proportional to 18,593.35, 25,660.61 and 10,634.02 is: 14,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.35 : 25,660.61 = 10,634.02 : x
  2. Step 2: Convert to fraction form
    18,593.35/25,660.61 = 10,634.02/x
  3. Step 3: Cross multiply
    18,593.35x = 25,660.61 × 10,634.02
  4. Step 4: Simplify right side
    18,593.35x = 272,875,386.78
  5. Step 5: Solve for x
    x = 272,875,386.78/18,593.35
  6. Step 6: Final answer
    x = 14,675.97

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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.