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Finding the Fourth Proportional to 39,101.65, 58,608.73 and 16,881.73

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Solution

The fourth proportional to 39,101.65, 58,608.73 and 16,881.73 is: 25,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,101.65 : 58,608.73 = 16,881.73 : x
  2. Step 2: Convert to fraction form
    39,101.65/58,608.73 = 16,881.73/x
  3. Step 3: Cross multiply
    39,101.65x = 58,608.73 × 16,881.73
  4. Step 4: Simplify right side
    39,101.65x = 989,416,755.50
  5. Step 5: Solve for x
    x = 989,416,755.50/39,101.65
  6. Step 6: Final answer
    x = 25,303.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.