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Finding the Fourth Proportional to 5,771.72, 8,654.11 and 2,804.32

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Solution

The fourth proportional to 5,771.72, 8,654.11 and 2,804.32 is: 4,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.72 : 8,654.11 = 2,804.32 : x
  2. Step 2: Convert to fraction form
    5,771.72/8,654.11 = 2,804.32/x
  3. Step 3: Cross multiply
    5,771.72x = 8,654.11 × 2,804.32
  4. Step 4: Simplify right side
    5,771.72x = 24,268,856.77
  5. Step 5: Solve for x
    x = 24,268,856.77/5,771.72
  6. Step 6: Final answer
    x = 4,204.79

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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.