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Finding the Fourth Proportional to 8,375.77, 11,559.05 and 5,020.96

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Solution

The fourth proportional to 8,375.77, 11,559.05 and 5,020.96 is: 6,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.77 : 11,559.05 = 5,020.96 : x
  2. Step 2: Convert to fraction form
    8,375.77/11,559.05 = 5,020.96/x
  3. Step 3: Cross multiply
    8,375.77x = 11,559.05 × 5,020.96
  4. Step 4: Simplify right side
    8,375.77x = 58,037,527.69
  5. Step 5: Solve for x
    x = 58,037,527.69/8,375.77
  6. Step 6: Final answer
    x = 6,929.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.