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Finding the Fourth Proportional to 5,489.46, 8,235 and 1,593.36

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Solution

The fourth proportional to 5,489.46, 8,235 and 1,593.36 is: 2,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.46 : 8,235 = 1,593.36 : x
  2. Step 2: Convert to fraction form
    5,489.46/8,235 = 1,593.36/x
  3. Step 3: Cross multiply
    5,489.46x = 8,235 × 1,593.36
  4. Step 4: Simplify right side
    5,489.46x = 13,121,319.60
  5. Step 5: Solve for x
    x = 13,121,319.60/5,489.46
  6. Step 6: Final answer
    x = 2,390.28

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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.