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Finding the Fourth Proportional to 66,811.74, 92,196.60 and 36,591.33

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Solution

The fourth proportional to 66,811.74, 92,196.60 and 36,591.33 is: 50,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,811.74 : 92,196.60 = 36,591.33 : x
  2. Step 2: Convert to fraction form
    66,811.74/92,196.60 = 36,591.33/x
  3. Step 3: Cross multiply
    66,811.74x = 92,196.60 × 36,591.33
  4. Step 4: Simplify right side
    66,811.74x = 3,373,596,215.48
  5. Step 5: Solve for x
    x = 3,373,596,215.48/66,811.74
  6. Step 6: Final answer
    x = 50,494.06

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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.