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Finding the Fourth Proportional to 66,800.64, 92,185.90 and 36,588.76

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Solution

The fourth proportional to 66,800.64, 92,185.90 and 36,588.76 is: 50,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,800.64 : 92,185.90 = 36,588.76 : x
  2. Step 2: Convert to fraction form
    66,800.64/92,185.90 = 36,588.76/x
  3. Step 3: Cross multiply
    66,800.64x = 92,185.90 × 36,588.76
  4. Step 4: Simplify right side
    66,800.64x = 3,372,967,770.48
  5. Step 5: Solve for x
    x = 3,372,967,770.48/66,800.64
  6. Step 6: Final answer
    x = 50,493.05

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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.