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Finding the Fourth Proportional to 4,713.78, 7,074.06 and 3,800.37

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Solution

The fourth proportional to 4,713.78, 7,074.06 and 3,800.37 is: 5,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713.78 : 7,074.06 = 3,800.37 : x
  2. Step 2: Convert to fraction form
    4,713.78/7,074.06 = 3,800.37/x
  3. Step 3: Cross multiply
    4,713.78x = 7,074.06 × 3,800.37
  4. Step 4: Simplify right side
    4,713.78x = 26,884,045.40
  5. Step 5: Solve for x
    x = 26,884,045.40/4,713.78
  6. Step 6: Final answer
    x = 5,703.29

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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.