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Finding the Fourth Proportional to 5,568.96, 8,343.84 and 3,917.76

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Solution

The fourth proportional to 5,568.96, 8,343.84 and 3,917.76 is: 5,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.96 : 8,343.84 = 3,917.76 : x
  2. Step 2: Convert to fraction form
    5,568.96/8,343.84 = 3,917.76/x
  3. Step 3: Cross multiply
    5,568.96x = 8,343.84 × 3,917.76
  4. Step 4: Simplify right side
    5,568.96x = 32,689,162.60
  5. Step 5: Solve for x
    x = 32,689,162.60/5,568.96
  6. Step 6: Final answer
    x = 5,869.89

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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.