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Finding the Fourth Proportional to 4,840.38, 7,249.59 and 4,731.03

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Solution

The fourth proportional to 4,840.38, 7,249.59 and 4,731.03 is: 7,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.38 : 7,249.59 = 4,731.03 : x
  2. Step 2: Convert to fraction form
    4,840.38/7,249.59 = 4,731.03/x
  3. Step 3: Cross multiply
    4,840.38x = 7,249.59 × 4,731.03
  4. Step 4: Simplify right side
    4,840.38x = 34,298,027.78
  5. Step 5: Solve for x
    x = 34,298,027.78/4,840.38
  6. Step 6: Final answer
    x = 7,085.81

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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.