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Finding the Fourth Proportional to 5,757.03, 8,635.54 and 3,808.78

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Solution

The fourth proportional to 5,757.03, 8,635.54 and 3,808.78 is: 5,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.03 : 8,635.54 = 3,808.78 : x
  2. Step 2: Convert to fraction form
    5,757.03/8,635.54 = 3,808.78/x
  3. Step 3: Cross multiply
    5,757.03x = 8,635.54 × 3,808.78
  4. Step 4: Simplify right side
    5,757.03x = 32,890,809.82
  5. Step 5: Solve for x
    x = 32,890,809.82/5,757.03
  6. Step 6: Final answer
    x = 5,713.16

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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.