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Finding the Fourth Proportional to 5,443.38, 7,492.91 and 4,743.54

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Solution

The fourth proportional to 5,443.38, 7,492.91 and 4,743.54 is: 6,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.38 : 7,492.91 = 4,743.54 : x
  2. Step 2: Convert to fraction form
    5,443.38/7,492.91 = 4,743.54/x
  3. Step 3: Cross multiply
    5,443.38x = 7,492.91 × 4,743.54
  4. Step 4: Simplify right side
    5,443.38x = 35,542,894.58
  5. Step 5: Solve for x
    x = 35,542,894.58/5,443.38
  6. Step 6: Final answer
    x = 6,529.56

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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.