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Finding the Fourth Proportional to 5,991.20, 8,939.94 and 5,368.57

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Solution

The fourth proportional to 5,991.20, 8,939.94 and 5,368.57 is: 8,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.20 : 8,939.94 = 5,368.57 : x
  2. Step 2: Convert to fraction form
    5,991.20/8,939.94 = 5,368.57/x
  3. Step 3: Cross multiply
    5,991.20x = 8,939.94 × 5,368.57
  4. Step 4: Simplify right side
    5,991.20x = 47,994,671.34
  5. Step 5: Solve for x
    x = 47,994,671.34/5,991.20
  6. Step 6: Final answer
    x = 8,010.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.