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Finding the Fourth Proportional to 6,190.96, 8,543.46 and 3,538.48

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Solution

The fourth proportional to 6,190.96, 8,543.46 and 3,538.48 is: 4,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.96 : 8,543.46 = 3,538.48 : x
  2. Step 2: Convert to fraction form
    6,190.96/8,543.46 = 3,538.48/x
  3. Step 3: Cross multiply
    6,190.96x = 8,543.46 × 3,538.48
  4. Step 4: Simplify right side
    6,190.96x = 30,230,862.34
  5. Step 5: Solve for x
    x = 30,230,862.34/6,190.96
  6. Step 6: Final answer
    x = 4,883.07

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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.