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Finding the Fourth Proportional to 11,168.53, 16,752.81 and 3,377.32

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Solution

The fourth proportional to 11,168.53, 16,752.81 and 3,377.32 is: 5,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.53 : 16,752.81 = 3,377.32 : x
  2. Step 2: Convert to fraction form
    11,168.53/16,752.81 = 3,377.32/x
  3. Step 3: Cross multiply
    11,168.53x = 16,752.81 × 3,377.32
  4. Step 4: Simplify right side
    11,168.53x = 56,579,600.27
  5. Step 5: Solve for x
    x = 56,579,600.27/11,168.53
  6. Step 6: Final answer
    x = 5,065.98

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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.