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Finding the Fourth Proportional to 66,761.94, 92,130.84 and 36,546.96

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Solution

The fourth proportional to 66,761.94, 92,130.84 and 36,546.96 is: 50,434.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,761.94 : 92,130.84 = 36,546.96 : x
  2. Step 2: Convert to fraction form
    66,761.94/92,130.84 = 36,546.96/x
  3. Step 3: Cross multiply
    66,761.94x = 92,130.84 × 36,546.96
  4. Step 4: Simplify right side
    66,761.94x = 3,367,102,124.25
  5. Step 5: Solve for x
    x = 3,367,102,124.25/66,761.94
  6. Step 6: Final answer
    x = 50,434.46

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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.