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Finding the Fourth Proportional to 5,929.28, 8,891.43 and 2,228.92

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Solution

The fourth proportional to 5,929.28, 8,891.43 and 2,228.92 is: 3,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.28 : 8,891.43 = 2,228.92 : x
  2. Step 2: Convert to fraction form
    5,929.28/8,891.43 = 2,228.92/x
  3. Step 3: Cross multiply
    5,929.28x = 8,891.43 × 2,228.92
  4. Step 4: Simplify right side
    5,929.28x = 19,818,286.16
  5. Step 5: Solve for x
    x = 19,818,286.16/5,929.28
  6. Step 6: Final answer
    x = 3,342.44

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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.