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Finding the Fourth Proportional to 62,449.68, 86,183.70 and 36,970.66

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Solution

The fourth proportional to 62,449.68, 86,183.70 and 36,970.66 is: 51,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,449.68 : 86,183.70 = 36,970.66 : x
  2. Step 2: Convert to fraction form
    62,449.68/86,183.70 = 36,970.66/x
  3. Step 3: Cross multiply
    62,449.68x = 86,183.70 × 36,970.66
  4. Step 4: Simplify right side
    62,449.68x = 3,186,268,239.33
  5. Step 5: Solve for x
    x = 3,186,268,239.33/62,449.68
  6. Step 6: Final answer
    x = 51,021.37

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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.