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Finding the Fourth Proportional to 12,427.98, 17,150.94 and 6,763.08

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Solution

The fourth proportional to 12,427.98, 17,150.94 and 6,763.08 is: 9,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.98 : 17,150.94 = 6,763.08 : x
  2. Step 2: Convert to fraction form
    12,427.98/17,150.94 = 6,763.08/x
  3. Step 3: Cross multiply
    12,427.98x = 17,150.94 × 6,763.08
  4. Step 4: Simplify right side
    12,427.98x = 115,993,179.30
  5. Step 5: Solve for x
    x = 115,993,179.30/12,427.98
  6. Step 6: Final answer
    x = 9,333.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.