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Finding the Fourth Proportional to 17,498.60, 26,251.99 and 5,811.81

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Solution

The fourth proportional to 17,498.60, 26,251.99 and 5,811.81 is: 8,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,498.60 : 26,251.99 = 5,811.81 : x
  2. Step 2: Convert to fraction form
    17,498.60/26,251.99 = 5,811.81/x
  3. Step 3: Cross multiply
    17,498.60x = 26,251.99 × 5,811.81
  4. Step 4: Simplify right side
    17,498.60x = 152,571,563.47
  5. Step 5: Solve for x
    x = 152,571,563.47/17,498.60
  6. Step 6: Final answer
    x = 8,719.07

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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.