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Finding the Fourth Proportional to 16,882.37, 25,314.92 and 8,989.37

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Solution

The fourth proportional to 16,882.37, 25,314.92 and 8,989.37 is: 13,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,882.37 : 25,314.92 = 8,989.37 : x
  2. Step 2: Convert to fraction form
    16,882.37/25,314.92 = 8,989.37/x
  3. Step 3: Cross multiply
    16,882.37x = 25,314.92 × 8,989.37
  4. Step 4: Simplify right side
    16,882.37x = 227,565,137.45
  5. Step 5: Solve for x
    x = 227,565,137.45/16,882.37
  6. Step 6: Final answer
    x = 13,479.45

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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.