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Finding the Fourth Proportional to 62,695.85, 86,520.25 and 35,838.93

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Solution

The fourth proportional to 62,695.85, 86,520.25 and 35,838.93 is: 49,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,695.85 : 86,520.25 = 35,838.93 : x
  2. Step 2: Convert to fraction form
    62,695.85/86,520.25 = 35,838.93/x
  3. Step 3: Cross multiply
    62,695.85x = 86,520.25 × 35,838.93
  4. Step 4: Simplify right side
    62,695.85x = 3,100,793,183.33
  5. Step 5: Solve for x
    x = 3,100,793,183.33/62,695.85
  6. Step 6: Final answer
    x = 49,457.71

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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.