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Finding the Fourth Proportional to 9,350.44, 12,958.20 and 9,173.03

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Solution

The fourth proportional to 9,350.44, 12,958.20 and 9,173.03 is: 12,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.44 : 12,958.20 = 9,173.03 : x
  2. Step 2: Convert to fraction form
    9,350.44/12,958.20 = 9,173.03/x
  3. Step 3: Cross multiply
    9,350.44x = 12,958.20 × 9,173.03
  4. Step 4: Simplify right side
    9,350.44x = 118,865,957.35
  5. Step 5: Solve for x
    x = 118,865,957.35/9,350.44
  6. Step 6: Final answer
    x = 12,712.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.