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Finding the Fourth Proportional to 69,731.53, 96,229.03 and 37,900.43

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Solution

The fourth proportional to 69,731.53, 96,229.03 and 37,900.43 is: 52,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,731.53 : 96,229.03 = 37,900.43 : x
  2. Step 2: Convert to fraction form
    69,731.53/96,229.03 = 37,900.43/x
  3. Step 3: Cross multiply
    69,731.53x = 96,229.03 × 37,900.43
  4. Step 4: Simplify right side
    69,731.53x = 3,647,120,973.31
  5. Step 5: Solve for x
    x = 3,647,120,973.31/69,731.53
  6. Step 6: Final answer
    x = 52,302.32

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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.