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Finding the Fourth Proportional to 5,978.37, 8,250.96 and 4,483.92

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Solution

The fourth proportional to 5,978.37, 8,250.96 and 4,483.92 is: 6,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978.37 : 8,250.96 = 4,483.92 : x
  2. Step 2: Convert to fraction form
    5,978.37/8,250.96 = 4,483.92/x
  3. Step 3: Cross multiply
    5,978.37x = 8,250.96 × 4,483.92
  4. Step 4: Simplify right side
    5,978.37x = 36,996,644.56
  5. Step 5: Solve for x
    x = 36,996,644.56/5,978.37
  6. Step 6: Final answer
    x = 6,188.42

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1.5x scale

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.