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Finding the Fourth Proportional to 5,505.77, 8,256.27 and 1,994.95

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Solution

The fourth proportional to 5,505.77, 8,256.27 and 1,994.95 is: 2,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.77 : 8,256.27 = 1,994.95 : x
  2. Step 2: Convert to fraction form
    5,505.77/8,256.27 = 1,994.95/x
  3. Step 3: Cross multiply
    5,505.77x = 8,256.27 × 1,994.95
  4. Step 4: Simplify right side
    5,505.77x = 16,470,872.83
  5. Step 5: Solve for x
    x = 16,470,872.83/5,505.77
  6. Step 6: Final answer
    x = 2,991.56

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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.