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Finding the Fourth Proportional to 69,635.88, 96,096.48 and 39,426.96

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Solution

The fourth proportional to 69,635.88, 96,096.48 and 39,426.96 is: 54,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,635.88 : 96,096.48 = 39,426.96 : x
  2. Step 2: Convert to fraction form
    69,635.88/96,096.48 = 39,426.96/x
  3. Step 3: Cross multiply
    69,635.88x = 96,096.48 × 39,426.96
  4. Step 4: Simplify right side
    69,635.88x = 3,788,792,073.10
  5. Step 5: Solve for x
    x = 3,788,792,073.10/69,635.88
  6. Step 6: Final answer
    x = 54,408.62

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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.