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Finding the Fourth Proportional to 16,980.68, 25,471.03 and 5,887.37

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Solution

The fourth proportional to 16,980.68, 25,471.03 and 5,887.37 is: 8,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.68 : 25,471.03 = 5,887.37 : x
  2. Step 2: Convert to fraction form
    16,980.68/25,471.03 = 5,887.37/x
  3. Step 3: Cross multiply
    16,980.68x = 25,471.03 × 5,887.37
  4. Step 4: Simplify right side
    16,980.68x = 149,957,377.89
  5. Step 5: Solve for x
    x = 149,957,377.89/16,980.68
  6. Step 6: Final answer
    x = 8,831.06

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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.