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Finding the Fourth Proportional to 16,995.88, 25,460.80 and 8,435.16

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Solution

The fourth proportional to 16,995.88, 25,460.80 and 8,435.16 is: 12,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.88 : 25,460.80 = 8,435.16 : x
  2. Step 2: Convert to fraction form
    16,995.88/25,460.80 = 8,435.16/x
  3. Step 3: Cross multiply
    16,995.88x = 25,460.80 × 8,435.16
  4. Step 4: Simplify right side
    16,995.88x = 214,765,921.73
  5. Step 5: Solve for x
    x = 214,765,921.73/16,995.88
  6. Step 6: Final answer
    x = 12,636.35

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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.