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Finding the Fourth Proportional to 9,899.39, 14,850.45 and 3,327.45

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Solution

The fourth proportional to 9,899.39, 14,850.45 and 3,327.45 is: 4,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.39 : 14,850.45 = 3,327.45 : x
  2. Step 2: Convert to fraction form
    9,899.39/14,850.45 = 3,327.45/x
  3. Step 3: Cross multiply
    9,899.39x = 14,850.45 × 3,327.45
  4. Step 4: Simplify right side
    9,899.39x = 49,414,129.85
  5. Step 5: Solve for x
    x = 49,414,129.85/9,899.39
  6. Step 6: Final answer
    x = 4,991.64

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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.