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Finding the Fourth Proportional to 69,449.81, 95,840.42 and 37,618.78

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Solution

The fourth proportional to 69,449.81, 95,840.42 and 37,618.78 is: 51,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,449.81 : 95,840.42 = 37,618.78 : x
  2. Step 2: Convert to fraction form
    69,449.81/95,840.42 = 37,618.78/x
  3. Step 3: Cross multiply
    69,449.81x = 95,840.42 × 37,618.78
  4. Step 4: Simplify right side
    69,449.81x = 3,605,399,427.09
  5. Step 5: Solve for x
    x = 3,605,399,427.09/69,449.81
  6. Step 6: Final answer
    x = 51,913.74

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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.