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Finding the Fourth Proportional to 5,991.48, 8,974.86 and 3,518.82

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Solution

The fourth proportional to 5,991.48, 8,974.86 and 3,518.82 is: 5,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.48 : 8,974.86 = 3,518.82 : x
  2. Step 2: Convert to fraction form
    5,991.48/8,974.86 = 3,518.82/x
  3. Step 3: Cross multiply
    5,991.48x = 8,974.86 × 3,518.82
  4. Step 4: Simplify right side
    5,991.48x = 31,580,916.87
  5. Step 5: Solve for x
    x = 31,580,916.87/5,991.48
  6. Step 6: Final answer
    x = 5,270.97

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1.5x scale

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.