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Finding the Fourth Proportional to 51,644.80, 71,243.25 and 34,446.77

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Solution

The fourth proportional to 51,644.80, 71,243.25 and 34,446.77 is: 47,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,644.80 : 71,243.25 = 34,446.77 : x
  2. Step 2: Convert to fraction form
    51,644.80/71,243.25 = 34,446.77/x
  3. Step 3: Cross multiply
    51,644.80x = 71,243.25 × 34,446.77
  4. Step 4: Simplify right side
    51,644.80x = 2,454,099,846.80
  5. Step 5: Solve for x
    x = 2,454,099,846.80/51,644.80
  6. Step 6: Final answer
    x = 47,518.82

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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.