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Finding the Fourth Proportional to 7,293.96, 10,940.96 and 2,099.84

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Solution

The fourth proportional to 7,293.96, 10,940.96 and 2,099.84 is: 3,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.96 : 10,940.96 = 2,099.84 : x
  2. Step 2: Convert to fraction form
    7,293.96/10,940.96 = 2,099.84/x
  3. Step 3: Cross multiply
    7,293.96x = 10,940.96 × 2,099.84
  4. Step 4: Simplify right side
    7,293.96x = 22,974,265.45
  5. Step 5: Solve for x
    x = 22,974,265.45/7,293.96
  6. Step 6: Final answer
    x = 3,149.77

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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.