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Finding the Fourth Proportional to 16,980.92, 25,471.41 and 5,887.63

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Solution

The fourth proportional to 16,980.92, 25,471.41 and 5,887.63 is: 8,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.92 : 25,471.41 = 5,887.63 : x
  2. Step 2: Convert to fraction form
    16,980.92/25,471.41 = 5,887.63/x
  3. Step 3: Cross multiply
    16,980.92x = 25,471.41 × 5,887.63
  4. Step 4: Simplify right side
    16,980.92x = 149,966,237.66
  5. Step 5: Solve for x
    x = 149,966,237.66/16,980.92
  6. Step 6: Final answer
    x = 8,831.46

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1.5x scale

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.