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Finding the Fourth Proportional to 9,910.62, 14,868.40 and 6,994.62

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Solution

The fourth proportional to 9,910.62, 14,868.40 and 6,994.62 is: 10,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.62 : 14,868.40 = 6,994.62 : x
  2. Step 2: Convert to fraction form
    9,910.62/14,868.40 = 6,994.62/x
  3. Step 3: Cross multiply
    9,910.62x = 14,868.40 × 6,994.62
  4. Step 4: Simplify right side
    9,910.62x = 103,998,808.01
  5. Step 5: Solve for x
    x = 103,998,808.01/9,910.62
  6. Step 6: Final answer
    x = 10,493.67

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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.