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Finding the Fourth Proportional to 66,811.44, 92,201.20 and 36,598.04

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Solution

The fourth proportional to 66,811.44, 92,201.20 and 36,598.04 is: 50,506.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,811.44 : 92,201.20 = 36,598.04 : x
  2. Step 2: Convert to fraction form
    66,811.44/92,201.20 = 36,598.04/x
  3. Step 3: Cross multiply
    66,811.44x = 92,201.20 × 36,598.04
  4. Step 4: Simplify right side
    66,811.44x = 3,374,383,205.65
  5. Step 5: Solve for x
    x = 3,374,383,205.65/66,811.44
  6. Step 6: Final answer
    x = 50,506.07

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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.