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Finding the Fourth Proportional to 12,245.88, 16,900.65 and 6,941.04

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Solution

The fourth proportional to 12,245.88, 16,900.65 and 6,941.04 is: 9,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.88 : 16,900.65 = 6,941.04 : x
  2. Step 2: Convert to fraction form
    12,245.88/16,900.65 = 6,941.04/x
  3. Step 3: Cross multiply
    12,245.88x = 16,900.65 × 6,941.04
  4. Step 4: Simplify right side
    12,245.88x = 117,308,087.68
  5. Step 5: Solve for x
    x = 117,308,087.68/12,245.88
  6. Step 6: Final answer
    x = 9,579.39

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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.