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Finding the Fourth Proportional to 5,857.28, 8,789.22 and 2,347.55

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Solution

The fourth proportional to 5,857.28, 8,789.22 and 2,347.55 is: 3,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.28 : 8,789.22 = 2,347.55 : x
  2. Step 2: Convert to fraction form
    5,857.28/8,789.22 = 2,347.55/x
  3. Step 3: Cross multiply
    5,857.28x = 8,789.22 × 2,347.55
  4. Step 4: Simplify right side
    5,857.28x = 20,633,089.46
  5. Step 5: Solve for x
    x = 20,633,089.46/5,857.28
  6. Step 6: Final answer
    x = 3,522.64

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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.