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Finding the Fourth Proportional to 51,805.46, 71,422.71 and 33,869.63

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Solution

The fourth proportional to 51,805.46, 71,422.71 and 33,869.63 is: 46,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.46 : 71,422.71 = 33,869.63 : x
  2. Step 2: Convert to fraction form
    51,805.46/71,422.71 = 33,869.63/x
  3. Step 3: Cross multiply
    51,805.46x = 71,422.71 × 33,869.63
  4. Step 4: Simplify right side
    51,805.46x = 2,419,060,761.30
  5. Step 5: Solve for x
    x = 2,419,060,761.30/51,805.46
  6. Step 6: Final answer
    x = 46,695.09

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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.