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Finding the Fourth Proportional to 5,652.11, 7,797.28 and 3,663.31

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Solution

The fourth proportional to 5,652.11, 7,797.28 and 3,663.31 is: 5,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.11 : 7,797.28 = 3,663.31 : x
  2. Step 2: Convert to fraction form
    5,652.11/7,797.28 = 3,663.31/x
  3. Step 3: Cross multiply
    5,652.11x = 7,797.28 × 3,663.31
  4. Step 4: Simplify right side
    5,652.11x = 28,563,853.80
  5. Step 5: Solve for x
    x = 28,563,853.80/5,652.11
  6. Step 6: Final answer
    x = 5,053.66

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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.