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Finding the Fourth Proportional to 62,706.91, 86,535.71 and 35,850.15

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Solution

The fourth proportional to 62,706.91, 86,535.71 and 35,850.15 is: 49,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,706.91 : 86,535.71 = 35,850.15 : x
  2. Step 2: Convert to fraction form
    62,706.91/86,535.71 = 35,850.15/x
  3. Step 3: Cross multiply
    62,706.91x = 86,535.71 × 35,850.15
  4. Step 4: Simplify right side
    62,706.91x = 3,102,318,183.86
  5. Step 5: Solve for x
    x = 3,102,318,183.86/62,706.91
  6. Step 6: Final answer
    x = 49,473.31

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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.