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Finding the Fourth Proportional to 5,630.52, 7,772.18 and 3,392.48

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Solution

The fourth proportional to 5,630.52, 7,772.18 and 3,392.48 is: 4,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.52 : 7,772.18 = 3,392.48 : x
  2. Step 2: Convert to fraction form
    5,630.52/7,772.18 = 3,392.48/x
  3. Step 3: Cross multiply
    5,630.52x = 7,772.18 × 3,392.48
  4. Step 4: Simplify right side
    5,630.52x = 26,366,965.21
  5. Step 5: Solve for x
    x = 26,366,965.21/5,630.52
  6. Step 6: Final answer
    x = 4,682.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.