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Finding the Fourth Proportional to 66,852.96, 92,257.10 and 36,639.48

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Solution

The fourth proportional to 66,852.96, 92,257.10 and 36,639.48 is: 50,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,852.96 : 92,257.10 = 36,639.48 : x
  2. Step 2: Convert to fraction form
    66,852.96/92,257.10 = 36,639.48/x
  3. Step 3: Cross multiply
    66,852.96x = 92,257.10 × 36,639.48
  4. Step 4: Simplify right side
    66,852.96x = 3,380,252,170.31
  5. Step 5: Solve for x
    x = 3,380,252,170.31/66,852.96
  6. Step 6: Final answer
    x = 50,562.49

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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.