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Finding the Fourth Proportional to 9,401.80, 14,102.70 and 9,304.60

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Solution

The fourth proportional to 9,401.80, 14,102.70 and 9,304.60 is: 13,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.80 : 14,102.70 = 9,304.60 : x
  2. Step 2: Convert to fraction form
    9,401.80/14,102.70 = 9,304.60/x
  3. Step 3: Cross multiply
    9,401.80x = 14,102.70 × 9,304.60
  4. Step 4: Simplify right side
    9,401.80x = 131,219,982.42
  5. Step 5: Solve for x
    x = 131,219,982.42/9,401.80
  6. Step 6: Final answer
    x = 13,956.90

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Similar ratio
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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.