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Finding the Fourth Proportional to 43,812.69, 60,481.70 and 25,660.90

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Solution

The fourth proportional to 43,812.69, 60,481.70 and 25,660.90 is: 35,423.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,812.69 : 60,481.70 = 25,660.90 : x
  2. Step 2: Convert to fraction form
    43,812.69/60,481.70 = 25,660.90/x
  3. Step 3: Cross multiply
    43,812.69x = 60,481.70 × 25,660.90
  4. Step 4: Simplify right side
    43,812.69x = 1,552,014,596.65
  5. Step 5: Solve for x
    x = 1,552,014,596.65/43,812.69
  6. Step 6: Final answer
    x = 35,423.86

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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.