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Finding the Fourth Proportional to 10,593.87, 15,890.91 and 2,696.40

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Solution

The fourth proportional to 10,593.87, 15,890.91 and 2,696.40 is: 4,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,593.87 : 15,890.91 = 2,696.40 : x
  2. Step 2: Convert to fraction form
    10,593.87/15,890.91 = 2,696.40/x
  3. Step 3: Cross multiply
    10,593.87x = 15,890.91 × 2,696.40
  4. Step 4: Simplify right side
    10,593.87x = 42,848,249.72
  5. Step 5: Solve for x
    x = 42,848,249.72/10,593.87
  6. Step 6: Final answer
    x = 4,044.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.