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Finding the Fourth Proportional to 5,857.52, 8,789.88 and 3,230.24

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Solution

The fourth proportional to 5,857.52, 8,789.88 and 3,230.24 is: 4,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.52 : 8,789.88 = 3,230.24 : x
  2. Step 2: Convert to fraction form
    5,857.52/8,789.88 = 3,230.24/x
  3. Step 3: Cross multiply
    5,857.52x = 8,789.88 × 3,230.24
  4. Step 4: Simplify right side
    5,857.52x = 28,393,421.97
  5. Step 5: Solve for x
    x = 28,393,421.97/5,857.52
  6. Step 6: Final answer
    x = 4,847.35

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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.