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Finding the Fourth Proportional to 5,808.54, 8,011.12 and 3,818.38

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Solution

The fourth proportional to 5,808.54, 8,011.12 and 3,818.38 is: 5,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.54 : 8,011.12 = 3,818.38 : x
  2. Step 2: Convert to fraction form
    5,808.54/8,011.12 = 3,818.38/x
  3. Step 3: Cross multiply
    5,808.54x = 8,011.12 × 3,818.38
  4. Step 4: Simplify right side
    5,808.54x = 30,589,500.39
  5. Step 5: Solve for x
    x = 30,589,500.39/5,808.54
  6. Step 6: Final answer
    x = 5,266.30

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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.