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Finding the Fourth Proportional to 5,504.70, 7,595.78 and 3,147

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Solution

The fourth proportional to 5,504.70, 7,595.78 and 3,147 is: 4,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,504.70 : 7,595.78 = 3,147 : x
  2. Step 2: Convert to fraction form
    5,504.70/7,595.78 = 3,147/x
  3. Step 3: Cross multiply
    5,504.70x = 7,595.78 × 3,147
  4. Step 4: Simplify right side
    5,504.70x = 23,903,919.66
  5. Step 5: Solve for x
    x = 23,903,919.66/5,504.70
  6. Step 6: Final answer
    x = 4,342.46

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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.