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Finding the Fourth Proportional to 17,503.60, 26,227.88 and 10,919.92

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Solution

The fourth proportional to 17,503.60, 26,227.88 and 10,919.92 is: 16,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,503.60 : 26,227.88 = 10,919.92 : x
  2. Step 2: Convert to fraction form
    17,503.60/26,227.88 = 10,919.92/x
  3. Step 3: Cross multiply
    17,503.60x = 26,227.88 × 10,919.92
  4. Step 4: Simplify right side
    17,503.60x = 286,406,351.37
  5. Step 5: Solve for x
    x = 286,406,351.37/17,503.60
  6. Step 6: Final answer
    x = 16,362.71

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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.