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Finding the Fourth Proportional to 16,773.64, 25,164.78 and 6,379.72

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Solution

The fourth proportional to 16,773.64, 25,164.78 and 6,379.72 is: 9,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,773.64 : 25,164.78 = 6,379.72 : x
  2. Step 2: Convert to fraction form
    16,773.64/25,164.78 = 6,379.72/x
  3. Step 3: Cross multiply
    16,773.64x = 25,164.78 × 6,379.72
  4. Step 4: Simplify right side
    16,773.64x = 160,544,250.26
  5. Step 5: Solve for x
    x = 160,544,250.26/16,773.64
  6. Step 6: Final answer
    x = 9,571.22

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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.