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Finding the Fourth Proportional to 66,593.43, 91,899.14 and 38,297.25

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Solution

The fourth proportional to 66,593.43, 91,899.14 and 38,297.25 is: 52,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,593.43 : 91,899.14 = 38,297.25 : x
  2. Step 2: Convert to fraction form
    66,593.43/91,899.14 = 38,297.25/x
  3. Step 3: Cross multiply
    66,593.43x = 91,899.14 × 38,297.25
  4. Step 4: Simplify right side
    66,593.43x = 3,519,484,147.88
  5. Step 5: Solve for x
    x = 3,519,484,147.88/66,593.43
  6. Step 6: Final answer
    x = 52,850.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.