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Finding the Fourth Proportional to 5,573.88, 8,363.61 and 3,940.92

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Solution

The fourth proportional to 5,573.88, 8,363.61 and 3,940.92 is: 5,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.88 : 8,363.61 = 3,940.92 : x
  2. Step 2: Convert to fraction form
    5,573.88/8,363.61 = 3,940.92/x
  3. Step 3: Cross multiply
    5,573.88x = 8,363.61 × 3,940.92
  4. Step 4: Simplify right side
    5,573.88x = 32,960,317.92
  5. Step 5: Solve for x
    x = 32,960,317.92/5,573.88
  6. Step 6: Final answer
    x = 5,913.35

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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.