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Finding the Fourth Proportional to 7,099.98, 10,651.01 and 2,168.99

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Solution

The fourth proportional to 7,099.98, 10,651.01 and 2,168.99 is: 3,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.98 : 10,651.01 = 2,168.99 : x
  2. Step 2: Convert to fraction form
    7,099.98/10,651.01 = 2,168.99/x
  3. Step 3: Cross multiply
    7,099.98x = 10,651.01 × 2,168.99
  4. Step 4: Simplify right side
    7,099.98x = 23,101,870.08
  5. Step 5: Solve for x
    x = 23,101,870.08/7,099.98
  6. Step 6: Final answer
    x = 3,253.79

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Double scale
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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.