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Finding the Fourth Proportional to 66,736.64, 92,096.56 and 36,521.96

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Solution

The fourth proportional to 66,736.64, 92,096.56 and 36,521.96 is: 50,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,736.64 : 92,096.56 = 36,521.96 : x
  2. Step 2: Convert to fraction form
    66,736.64/92,096.56 = 36,521.96/x
  3. Step 3: Cross multiply
    66,736.64x = 92,096.56 × 36,521.96
  4. Step 4: Simplify right side
    66,736.64x = 3,363,546,880.46
  5. Step 5: Solve for x
    x = 3,363,546,880.46/66,736.64
  6. Step 6: Final answer
    x = 50,400.30

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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.