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Finding the Fourth Proportional to 3,708.83, 5,563.05 and 935.50

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Solution

The fourth proportional to 3,708.83, 5,563.05 and 935.50 is: 1,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.83 : 5,563.05 = 935.50 : x
  2. Step 2: Convert to fraction form
    3,708.83/5,563.05 = 935.50/x
  3. Step 3: Cross multiply
    3,708.83x = 5,563.05 × 935.50
  4. Step 4: Simplify right side
    3,708.83x = 5,204,233.28
  5. Step 5: Solve for x
    x = 5,204,233.28/3,708.83
  6. Step 6: Final answer
    x = 1,403.20

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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.