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Finding the Fourth Proportional to 5,611.56, 7,743.96 and 3,373.46

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Solution

The fourth proportional to 5,611.56, 7,743.96 and 3,373.46 is: 4,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.56 : 7,743.96 = 3,373.46 : x
  2. Step 2: Convert to fraction form
    5,611.56/7,743.96 = 3,373.46/x
  3. Step 3: Cross multiply
    5,611.56x = 7,743.96 × 3,373.46
  4. Step 4: Simplify right side
    5,611.56x = 26,123,939.30
  5. Step 5: Solve for x
    x = 26,123,939.30/5,611.56
  6. Step 6: Final answer
    x = 4,655.38

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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.