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Finding the Fourth Proportional to 66,993.15, 92,452.41 and 37,919.22

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Solution

The fourth proportional to 66,993.15, 92,452.41 and 37,919.22 is: 52,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,993.15 : 92,452.41 = 37,919.22 : x
  2. Step 2: Convert to fraction form
    66,993.15/92,452.41 = 37,919.22/x
  3. Step 3: Cross multiply
    66,993.15x = 92,452.41 × 37,919.22
  4. Step 4: Simplify right side
    66,993.15x = 3,505,723,274.32
  5. Step 5: Solve for x
    x = 3,505,723,274.32/66,993.15
  6. Step 6: Final answer
    x = 52,329.58

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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.