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Finding the Fourth Proportional to 6,903.76, 10,355.70 and 2,741.92

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Solution

The fourth proportional to 6,903.76, 10,355.70 and 2,741.92 is: 4,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.76 : 10,355.70 = 2,741.92 : x
  2. Step 2: Convert to fraction form
    6,903.76/10,355.70 = 2,741.92/x
  3. Step 3: Cross multiply
    6,903.76x = 10,355.70 × 2,741.92
  4. Step 4: Simplify right side
    6,903.76x = 28,394,500.94
  5. Step 5: Solve for x
    x = 28,394,500.94/6,903.76
  6. Step 6: Final answer
    x = 4,112.90

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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.