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Finding the Fourth Proportional to 11,573.64, 17,361.27 and 5,728.68

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Solution

The fourth proportional to 11,573.64, 17,361.27 and 5,728.68 is: 8,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,573.64 : 17,361.27 = 5,728.68 : x
  2. Step 2: Convert to fraction form
    11,573.64/17,361.27 = 5,728.68/x
  3. Step 3: Cross multiply
    11,573.64x = 17,361.27 × 5,728.68
  4. Step 4: Simplify right side
    11,573.64x = 99,457,160.22
  5. Step 5: Solve for x
    x = 99,457,160.22/11,573.64
  6. Step 6: Final answer
    x = 8,593.42

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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.